7880888900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{75997}}^1$

素因数の和:76089

約数の個数: 72

約数和(自身を含む): 18404587656

約数和(自身を除く): 10523698756

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 850, 1037, 1220, 1525, 1700, 2074, 3050, 4148, 5185, 6100, 10370, 20740, 25925, 51850, 75997, 103700, 151994, 303988, 379985, 759970, 1291949, 1519940, 1899925, 2583898, 3799850, 4635817, 5167796, 6459745, 7599700, 9271634, 12919490, 18543268, 23179085, 25838980, 32298725, 46358170, 64597450, 78808889, 92716340, 115895425, 129194900, 157617778, 231790850, 315235556, 394044445, 463581700, 788088890, 1576177780, 1970222225, 3940444450, 7880888900]

約数ペア:

[(1, 7880888900), (2, 3940444450), (4, 1970222225), (5, 1576177780), (10, 788088890), (17, 463581700), (20, 394044445), (25, 315235556), (34, 231790850), (50, 157617778), (61, 129194900), (68, 115895425), (85, 92716340), (100, 78808889), (122, 64597450), (170, 46358170), (244, 32298725), (305, 25838980), (340, 23179085), (425, 18543268), (610, 12919490), (850, 9271634), (1037, 7599700), (1220, 6459745), (1525, 5167796), (1700, 4635817), (2074, 3799850), (3050, 2583898), (4148, 1899925), (5185, 1519940), (6100, 1291949), (10370, 759970), (20740, 379985), (25925, 303988), (51850, 151994), (75997, 103700)]