90309560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 228674880

約数和(自身を除く): 138365320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 188, 220, 235, 242, 376, 397, 440, 470, 484, 517, 605, 794, 940, 968, 1034, 1210, 1588, 1880, 1985, 2068, 2420, 2585, 3176, 3970, 4136, 4367, 4840, 5170, 5687, 7940, 8734, 10340, 11374, 15880, 17468, 18659, 20680, 21835, 22748, 28435, 34936, 37318, 43670, 45496, 48037, 56870, 74636, 87340, 93295, 96074, 113740, 149272, 174680, 186590, 192148, 205249, 227480, 240185, 373180, 384296, 410498, 480370, 746360, 820996, 960740, 1026245, 1641992, 1921480, 2052490, 2257739, 4104980, 4515478, 8209960, 9030956, 11288695, 18061912, 22577390, 45154780, 90309560]

約数ペア:

[(1, 90309560), (2, 45154780), (4, 22577390), (5, 18061912), (8, 11288695), (10, 9030956), (11, 8209960), (20, 4515478), (22, 4104980), (40, 2257739), (44, 2052490), (47, 1921480), (55, 1641992), (88, 1026245), (94, 960740), (110, 820996), (121, 746360), (188, 480370), (220, 410498), (235, 384296), (242, 373180), (376, 240185), (397, 227480), (440, 205249), (470, 192148), (484, 186590), (517, 174680), (605, 149272), (794, 113740), (940, 96074), (968, 93295), (1034, 87340), (1210, 74636), (1588, 56870), (1880, 48037), (1985, 45496), (2068, 43670), (2420, 37318), (2585, 34936), (3176, 28435), (3970, 22748), (4136, 21835), (4367, 20680), (4840, 18659), (5170, 17468), (5687, 15880), (7940, 11374), (8734, 10340)]