311397130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257353}}^1$

素因数の和:257382

約数の個数: 24

約数和(自身を含む): 616105476

約数和(自身を除く): 304708346

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 257353, 514706, 1286765, 2573530, 2830883, 5661766, 14154415, 28308830, 31139713, 62279426, 155698565, 311397130]

約数ペア:

[(1, 311397130), (2, 155698565), (5, 62279426), (10, 31139713), (11, 28308830), (22, 14154415), (55, 5661766), (110, 2830883), (121, 2573530), (242, 1286765), (605, 514706), (1210, 257353)]