138971510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2699}}^1$

素因数の和:2996

約数の個数: 32

約数和(自身を含む): 264384000

約数和(自身を除く): 125412490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 271, 542, 1355, 2699, 2710, 5149, 5398, 10298, 13495, 25745, 26990, 51281, 51490, 102562, 256405, 512810, 731429, 1462858, 3657145, 7314290, 13897151, 27794302, 69485755, 138971510]

約数ペア:

[(1, 138971510), (2, 69485755), (5, 27794302), (10, 13897151), (19, 7314290), (38, 3657145), (95, 1462858), (190, 731429), (271, 512810), (542, 256405), (1355, 102562), (2699, 51490), (2710, 51281), (5149, 26990), (5398, 25745), (10298, 13495)]