139989460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 322812000

約数和(自身を除く): 182822540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 169, 260, 332, 338, 415, 499, 676, 830, 845, 998, 1079, 1660, 1690, 1996, 2158, 2495, 3380, 4316, 4990, 5395, 6487, 9980, 10790, 12974, 14027, 21580, 25948, 28054, 32435, 41417, 56108, 64870, 70135, 82834, 84331, 129740, 140270, 165668, 168662, 207085, 280540, 337324, 414170, 421655, 538421, 828340, 843310, 1076842, 1686620, 2153684, 2692105, 5384210, 6999473, 10768420, 13998946, 27997892, 34997365, 69994730, 139989460]

約数ペア:

[(1, 139989460), (2, 69994730), (4, 34997365), (5, 27997892), (10, 13998946), (13, 10768420), (20, 6999473), (26, 5384210), (52, 2692105), (65, 2153684), (83, 1686620), (130, 1076842), (166, 843310), (169, 828340), (260, 538421), (332, 421655), (338, 414170), (415, 337324), (499, 280540), (676, 207085), (830, 168662), (845, 165668), (998, 140270), (1079, 129740), (1660, 84331), (1690, 82834), (1996, 70135), (2158, 64870), (2495, 56108), (3380, 41417), (4316, 32435), (4990, 28054), (5395, 25948), (6487, 21580), (9980, 14027), (10790, 12974)]