405080000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 280

約数和(自身を含む): 1166439120

約数和(自身を除く): 761359120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 41, 50, 52, 64, 65, 76, 80, 82, 95, 100, 104, 125, 130, 152, 160, 164, 190, 200, 205, 208, 247, 250, 260, 304, 320, 325, 328, 380, 400, 410, 416, 475, 494, 500, 520, 533, 608, 625, 650, 656, 760, 779, 800, 820, 832, 950, 988, 1000, 1025, 1040, 1066, 1216, 1235, 1250, 1300, 1312, 1520, 1558, 1600, 1625, 1640, 1900, 1976, 2000, 2050, 2080, 2132, 2375, 2470, 2500, 2600, 2624, 2665, 3040, 3116, 3250, 3280, 3800, 3895, 3952, 4000, 4100, 4160, 4264, 4750, 4940, 5000, 5125, 5200, 5330, 6080, 6175, 6232, 6500, 6560, 7600, 7790, 7904, 8000, 8125, 8200, 8528, 9500, 9880, 10000, 10127, 10250, 10400, 10660, 11875, 12350, 12464, 13000, 13120, 13325, 15200, 15580, 15808, 16250, 16400, 17056, 19000, 19475, 19760, 20000, 20254, 20500, 20800, 21320, 23750, 24700, 24928, 25625, 26000, 26650, 30400, 30875, 31160, 32500, 32800, 34112, 38000, 38950, 39520, 40000, 40508, 41000, 42640, 47500, 49400, 49856, 50635, 51250, 52000, 53300, 61750, 62320, 65000, 65600, 66625, 76000, 77900, 79040, 81016, 82000, 85280, 95000, 97375, 98800, 101270, 102500, 104000, 106600, 123500, 124640, 130000, 133250, 152000, 154375, 155800, 162032, 164000, 170560, 190000, 194750, 197600, 202540, 205000, 213200, 247000, 249280, 253175, 260000, 266500, 308750, 311600, 324064, 328000, 333125, 380000, 389500, 395200, 405080, 410000, 426400, 486875, 494000, 506350, 520000, 533000, 617500, 623200, 648128, 666250, 760000, 779000, 810160, 820000, 852800, 973750, 988000, 1012700, 1066000, 1235000, 1246400, 1265875, 1332500, 1558000, 1620320, 1640000, 1947500, 1976000, 2025400, 2132000, 2470000, 2531750, 2665000, 3116000, 3240640, 3895000, 4050800, 4264000, 4940000, 5063500, 5330000, 6232000, 6329375, 7790000, 8101600, 9880000, 10127000, 10660000, 12658750, 15580000, 16203200, 20254000, 21320000, 25317500, 31160000, 40508000, 50635000, 81016000, 101270000, 202540000, 405080000]

約数ペア:

[(1, 405080000), (2, 202540000), (4, 101270000), (5, 81016000), (8, 50635000), (10, 40508000), (13, 31160000), (16, 25317500), (19, 21320000), (20, 20254000), (25, 16203200), (26, 15580000), (32, 12658750), (38, 10660000), (40, 10127000), (41, 9880000), (50, 8101600), (52, 7790000), (64, 6329375), (65, 6232000), (76, 5330000), (80, 5063500), (82, 4940000), (95, 4264000), (100, 4050800), (104, 3895000), (125, 3240640), (130, 3116000), (152, 2665000), (160, 2531750), (164, 2470000), (190, 2132000), (200, 2025400), (205, 1976000), (208, 1947500), (247, 1640000), (250, 1620320), (260, 1558000), (304, 1332500), (320, 1265875), (325, 1246400), (328, 1235000), (380, 1066000), (400, 1012700), (410, 988000), (416, 973750), (475, 852800), (494, 820000), (500, 810160), (520, 779000), (533, 760000), (608, 666250), (625, 648128), (650, 623200), (656, 617500), (760, 533000), (779, 520000), (800, 506350), (820, 494000), (832, 486875), (950, 426400), (988, 410000), (1000, 405080), (1025, 395200), (1040, 389500), (1066, 380000), (1216, 333125), (1235, 328000), (1250, 324064), (1300, 311600), (1312, 308750), (1520, 266500), (1558, 260000), (1600, 253175), (1625, 249280), (1640, 247000), (1900, 213200), (1976, 205000), (2000, 202540), (2050, 197600), (2080, 194750), (2132, 190000), (2375, 170560), (2470, 164000), (2500, 162032), (2600, 155800), (2624, 154375), (2665, 152000), (3040, 133250), (3116, 130000), (3250, 124640), (3280, 123500), (3800, 106600), (3895, 104000), (3952, 102500), (4000, 101270), (4100, 98800), (4160, 97375), (4264, 95000), (4750, 85280), (4940, 82000), (5000, 81016), (5125, 79040), (5200, 77900), (5330, 76000), (6080, 66625), (6175, 65600), (6232, 65000), (6500, 62320), (6560, 61750), (7600, 53300), (7790, 52000), (7904, 51250), (8000, 50635), (8125, 49856), (8200, 49400), (8528, 47500), (9500, 42640), (9880, 41000), (10000, 40508), (10127, 40000), (10250, 39520), (10400, 38950), (10660, 38000), (11875, 34112), (12350, 32800), (12464, 32500), (13000, 31160), (13120, 30875), (13325, 30400), (15200, 26650), (15580, 26000), (15808, 25625), (16250, 24928), (16400, 24700), (17056, 23750), (19000, 21320), (19475, 20800), (19760, 20500), (20000, 20254)]