256233010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 535797504

約数和(自身を除く): 279564494

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 263, 374, 521, 526, 935, 1042, 1315, 1870, 2605, 2630, 2893, 4471, 5210, 5731, 5786, 8857, 8942, 11462, 14465, 17714, 22355, 28655, 28930, 44285, 44710, 49181, 57310, 88570, 97427, 98362, 137023, 194854, 245905, 274046, 487135, 491810, 685115, 974270, 1370230, 1507253, 2329391, 3014506, 4658782, 7536265, 11646955, 15072530, 23293910, 25623301, 51246602, 128116505, 256233010]

約数ペア:

[(1, 256233010), (2, 128116505), (5, 51246602), (10, 25623301), (11, 23293910), (17, 15072530), (22, 11646955), (34, 7536265), (55, 4658782), (85, 3014506), (110, 2329391), (170, 1507253), (187, 1370230), (263, 974270), (374, 685115), (521, 491810), (526, 487135), (935, 274046), (1042, 245905), (1315, 194854), (1870, 137023), (2605, 98362), (2630, 97427), (2893, 88570), (4471, 57310), (5210, 49181), (5731, 44710), (5786, 44285), (8857, 28930), (8942, 28655), (11462, 22355), (14465, 17714)]