21596900000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:534

約数の個数: 288

約数和(自身を含む): 58911073200

約数和(自身を除く): 37314173200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 65, 74, 80, 100, 104, 125, 130, 148, 160, 185, 200, 208, 250, 260, 296, 325, 370, 400, 416, 449, 481, 500, 520, 592, 625, 650, 740, 800, 898, 925, 962, 1000, 1040, 1184, 1250, 1300, 1480, 1625, 1796, 1850, 1924, 2000, 2080, 2245, 2405, 2500, 2600, 2960, 3125, 3250, 3592, 3700, 3848, 4000, 4490, 4625, 4810, 5000, 5200, 5837, 5920, 6250, 6500, 7184, 7400, 7696, 8125, 8980, 9250, 9620, 10000, 10400, 11225, 11674, 12025, 12500, 13000, 14368, 14800, 15392, 16250, 16613, 17960, 18500, 19240, 20000, 22450, 23125, 23348, 24050, 25000, 26000, 29185, 29600, 32500, 33226, 35920, 37000, 38480, 40625, 44900, 46250, 46696, 48100, 50000, 52000, 56125, 58370, 60125, 65000, 66452, 71840, 74000, 76960, 81250, 83065, 89800, 92500, 93392, 96200, 100000, 112250, 115625, 116740, 120250, 130000, 132904, 145925, 148000, 162500, 166130, 179600, 185000, 186784, 192400, 215969, 224500, 231250, 233480, 240500, 260000, 265808, 280625, 291850, 300625, 325000, 332260, 359200, 370000, 384800, 415325, 431938, 449000, 462500, 466960, 481000, 531616, 561250, 583700, 601250, 650000, 664520, 729625, 740000, 830650, 863876, 898000, 925000, 933920, 962000, 1079845, 1122500, 1167400, 1202500, 1300000, 1329040, 1403125, 1459250, 1503125, 1661300, 1727752, 1796000, 1850000, 1924000, 2076625, 2159690, 2245000, 2334800, 2405000, 2658080, 2806250, 2918500, 3006250, 3322600, 3455504, 3648125, 3700000, 4153250, 4319380, 4490000, 4669600, 4810000, 5399225, 5612500, 5837000, 6012500, 6645200, 6911008, 7296250, 8306500, 8638760, 8980000, 9620000, 10383125, 10798450, 11225000, 11674000, 12025000, 13290400, 14592500, 16613000, 17277520, 18240625, 20766250, 21596900, 22450000, 23348000, 24050000, 26996125, 29185000, 33226000, 34555040, 36481250, 41532500, 43193800, 44900000, 48100000, 51915625, 53992250, 58370000, 66452000, 72962500, 83065000, 86387600, 103831250, 107984500, 116740000, 134980625, 145925000, 166130000, 172775200, 207662500, 215969000, 269961250, 291850000, 332260000, 415325000, 431938000, 539922500, 583700000, 674903125, 830650000, 863876000, 1079845000, 1349806250, 1661300000, 2159690000, 2699612500, 4319380000, 5399225000, 10798450000, 21596900000]

約数ペア:

[(1, 21596900000), (2, 10798450000), (4, 5399225000), (5, 4319380000), (8, 2699612500), (10, 2159690000), (13, 1661300000), (16, 1349806250), (20, 1079845000), (25, 863876000), (26, 830650000), (32, 674903125), (37, 583700000), (40, 539922500), (50, 431938000), (52, 415325000), (65, 332260000), (74, 291850000), (80, 269961250), (100, 215969000), (104, 207662500), (125, 172775200), (130, 166130000), (148, 145925000), (160, 134980625), (185, 116740000), (200, 107984500), (208, 103831250), (250, 86387600), (260, 83065000), (296, 72962500), (325, 66452000), (370, 58370000), (400, 53992250), (416, 51915625), (449, 48100000), (481, 44900000), (500, 43193800), (520, 41532500), (592, 36481250), (625, 34555040), (650, 33226000), (740, 29185000), (800, 26996125), (898, 24050000), (925, 23348000), (962, 22450000), (1000, 21596900), (1040, 20766250), (1184, 18240625), (1250, 17277520), (1300, 16613000), (1480, 14592500), (1625, 13290400), (1796, 12025000), (1850, 11674000), (1924, 11225000), (2000, 10798450), (2080, 10383125), (2245, 9620000), (2405, 8980000), (2500, 8638760), (2600, 8306500), (2960, 7296250), (3125, 6911008), (3250, 6645200), (3592, 6012500), (3700, 5837000), (3848, 5612500), (4000, 5399225), (4490, 4810000), (4625, 4669600), (4810, 4490000), (5000, 4319380), (5200, 4153250), (5837, 3700000), (5920, 3648125), (6250, 3455504), (6500, 3322600), (7184, 3006250), (7400, 2918500), (7696, 2806250), (8125, 2658080), (8980, 2405000), (9250, 2334800), (9620, 2245000), (10000, 2159690), (10400, 2076625), (11225, 1924000), (11674, 1850000), (12025, 1796000), (12500, 1727752), (13000, 1661300), (14368, 1503125), (14800, 1459250), (15392, 1403125), (16250, 1329040), (16613, 1300000), (17960, 1202500), (18500, 1167400), (19240, 1122500), (20000, 1079845), (22450, 962000), (23125, 933920), (23348, 925000), (24050, 898000), (25000, 863876), (26000, 830650), (29185, 740000), (29600, 729625), (32500, 664520), (33226, 650000), (35920, 601250), (37000, 583700), (38480, 561250), (40625, 531616), (44900, 481000), (46250, 466960), (46696, 462500), (48100, 449000), (50000, 431938), (52000, 415325), (56125, 384800), (58370, 370000), (60125, 359200), (65000, 332260), (66452, 325000), (71840, 300625), (74000, 291850), (76960, 280625), (81250, 265808), (83065, 260000), (89800, 240500), (92500, 233480), (93392, 231250), (96200, 224500), (100000, 215969), (112250, 192400), (115625, 186784), (116740, 185000), (120250, 179600), (130000, 166130), (132904, 162500), (145925, 148000)]