7974980000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 240

約数和(自身を含む): 21726076680

約数和(自身を除く): 13751096680

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, 481, 500, 520, 592, 625, 650, 740, 800, 829, 925, 962, 1000, 1040, 1184, 1250, 1300, 1480, 1625, 1658, 1850, 1924, 2000, 2080, 2405, 2500, 2600, 2960, 3250, 3316, 3700, 3848, 4000, 4145, 4625, 4810, 5000, 5200, 5920, 6500, 6632, 7400, 7696, 8125, 8290, 9250, 9620, 10000, 10400, 10777, 12025, 13000, 13264, 14800, 15392, 16250, 16580, 18500, 19240, 20000, 20725, 21554, 23125, 24050, 26000, 26528, 29600, 30673, 32500, 33160, 37000, 38480, 41450, 43108, 46250, 48100, 52000, 53885, 60125, 61346, 65000, 66320, 74000, 76960, 82900, 86216, 92500, 96200, 103625, 107770, 120250, 122692, 130000, 132640, 148000, 153365, 165800, 172432, 185000, 192400, 207250, 215540, 240500, 245384, 260000, 269425, 300625, 306730, 331600, 344864, 370000, 384800, 398749, 414500, 431080, 481000, 490768, 518125, 538850, 601250, 613460, 663200, 740000, 766825, 797498, 829000, 862160, 962000, 981536, 1036250, 1077700, 1202500, 1226920, 1347125, 1533650, 1594996, 1658000, 1724320, 1924000, 1993745, 2072500, 2155400, 2405000, 2453840, 2694250, 3067300, 3189992, 3316000, 3834125, 3987490, 4145000, 4310800, 4810000, 4907680, 5388500, 6134600, 6379984, 6735625, 7668250, 7974980, 8290000, 8621600, 9620000, 9968725, 10777000, 12269200, 12759968, 13471250, 15336500, 15949960, 16580000, 19170625, 19937450, 21554000, 24538400, 26942500, 30673000, 31899920, 38341250, 39874900, 43108000, 49843625, 53885000, 61346000, 63799840, 76682500, 79749800, 99687250, 107770000, 122692000, 153365000, 159499600, 199374500, 215540000, 249218125, 306730000, 318999200, 398749000, 498436250, 613460000, 797498000, 996872500, 1594996000, 1993745000, 3987490000, 7974980000]

約数ペア:

[(1, 7974980000), (2, 3987490000), (4, 1993745000), (5, 1594996000), (8, 996872500), (10, 797498000), (13, 613460000), (16, 498436250), (20, 398749000), (25, 318999200), (26, 306730000), (32, 249218125), (37, 215540000), (40, 199374500), (50, 159499600), (52, 153365000), (65, 122692000), (74, 107770000), (80, 99687250), (100, 79749800), (104, 76682500), (125, 63799840), (130, 61346000), (148, 53885000), (160, 49843625), (185, 43108000), (200, 39874900), (208, 38341250), (250, 31899920), (260, 30673000), (296, 26942500), (325, 24538400), (370, 21554000), (400, 19937450), (416, 19170625), (481, 16580000), (500, 15949960), (520, 15336500), (592, 13471250), (625, 12759968), (650, 12269200), (740, 10777000), (800, 9968725), (829, 9620000), (925, 8621600), (962, 8290000), (1000, 7974980), (1040, 7668250), (1184, 6735625), (1250, 6379984), (1300, 6134600), (1480, 5388500), (1625, 4907680), (1658, 4810000), (1850, 4310800), (1924, 4145000), (2000, 3987490), (2080, 3834125), (2405, 3316000), (2500, 3189992), (2600, 3067300), (2960, 2694250), (3250, 2453840), (3316, 2405000), (3700, 2155400), (3848, 2072500), (4000, 1993745), (4145, 1924000), (4625, 1724320), (4810, 1658000), (5000, 1594996), (5200, 1533650), (5920, 1347125), (6500, 1226920), (6632, 1202500), (7400, 1077700), (7696, 1036250), (8125, 981536), (8290, 962000), (9250, 862160), (9620, 829000), (10000, 797498), (10400, 766825), (10777, 740000), (12025, 663200), (13000, 613460), (13264, 601250), (14800, 538850), (15392, 518125), (16250, 490768), (16580, 481000), (18500, 431080), (19240, 414500), (20000, 398749), (20725, 384800), (21554, 370000), (23125, 344864), (24050, 331600), (26000, 306730), (26528, 300625), (29600, 269425), (30673, 260000), (32500, 245384), (33160, 240500), (37000, 215540), (38480, 207250), (41450, 192400), (43108, 185000), (46250, 172432), (48100, 165800), (52000, 153365), (53885, 148000), (60125, 132640), (61346, 130000), (65000, 122692), (66320, 120250), (74000, 107770), (76960, 103625), (82900, 96200), (86216, 92500)]