7131050320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{7237}}^1$

素因数の和:7472

約数の個数: 80

約数和(自身を含む): 16882200720

約数和(自身を除く): 9751150400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 113, 218, 226, 436, 452, 545, 565, 872, 904, 1090, 1130, 1744, 1808, 2180, 2260, 4360, 4520, 7237, 8720, 9040, 12317, 14474, 24634, 28948, 36185, 49268, 57896, 61585, 72370, 98536, 115792, 123170, 144740, 197072, 246340, 289480, 492680, 578960, 788833, 817781, 985360, 1577666, 1635562, 3155332, 3271124, 3944165, 4088905, 6310664, 6542248, 7888330, 8177810, 12621328, 13084496, 15776660, 16355620, 31553320, 32711240, 63106640, 65422480, 89138129, 178276258, 356552516, 445690645, 713105032, 891381290, 1426210064, 1782762580, 3565525160, 7131050320]

約数ペア:

[(1, 7131050320), (2, 3565525160), (4, 1782762580), (5, 1426210064), (8, 891381290), (10, 713105032), (16, 445690645), (20, 356552516), (40, 178276258), (80, 89138129), (109, 65422480), (113, 63106640), (218, 32711240), (226, 31553320), (436, 16355620), (452, 15776660), (545, 13084496), (565, 12621328), (872, 8177810), (904, 7888330), (1090, 6542248), (1130, 6310664), (1744, 4088905), (1808, 3944165), (2180, 3271124), (2260, 3155332), (4360, 1635562), (4520, 1577666), (7237, 985360), (8720, 817781), (9040, 788833), (12317, 578960), (14474, 492680), (24634, 289480), (28948, 246340), (36185, 197072), (49268, 144740), (57896, 123170), (61585, 115792), (72370, 98536)]