64578910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 137080440

約数和(自身を除く): 72501530

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 95, 106, 110, 121, 190, 209, 242, 265, 418, 530, 583, 605, 1007, 1045, 1166, 1210, 2014, 2090, 2299, 2809, 2915, 4598, 5035, 5618, 5830, 6413, 10070, 11077, 11495, 12826, 14045, 22154, 22990, 28090, 30899, 32065, 53371, 55385, 61798, 64130, 106742, 110770, 121847, 154495, 243694, 266855, 308990, 339889, 533710, 587081, 609235, 679778, 1174162, 1218470, 1699445, 2935405, 3398890, 5870810, 6457891, 12915782, 32289455, 64578910]

約数ペア:

[(1, 64578910), (2, 32289455), (5, 12915782), (10, 6457891), (11, 5870810), (19, 3398890), (22, 2935405), (38, 1699445), (53, 1218470), (55, 1174162), (95, 679778), (106, 609235), (110, 587081), (121, 533710), (190, 339889), (209, 308990), (242, 266855), (265, 243694), (418, 154495), (530, 121847), (583, 110770), (605, 106742), (1007, 64130), (1045, 61798), (1166, 55385), (1210, 53371), (2014, 32065), (2090, 30899), (2299, 28090), (2809, 22990), (2915, 22154), (4598, 14045), (5035, 12826), (5618, 11495), (5830, 11077), (6413, 10070)]