311293910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 602900496

約数和(自身を除く): 291606586

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 361, 530, 722, 1007, 1627, 1805, 2014, 3254, 3610, 5035, 8135, 10070, 16270, 19133, 30913, 38266, 61826, 86231, 95665, 154565, 172462, 191330, 309130, 431155, 587347, 862310, 1174694, 1638389, 2936735, 3276778, 5873470, 8191945, 16383890, 31129391, 62258782, 155646955, 311293910]

約数ペア:

[(1, 311293910), (2, 155646955), (5, 62258782), (10, 31129391), (19, 16383890), (38, 8191945), (53, 5873470), (95, 3276778), (106, 2936735), (190, 1638389), (265, 1174694), (361, 862310), (530, 587347), (722, 431155), (1007, 309130), (1627, 191330), (1805, 172462), (2014, 154565), (3254, 95665), (3610, 86231), (5035, 61826), (8135, 38266), (10070, 30913), (16270, 19133)]