140508490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 256510800

約数和(自身を除く): 116002310

約数列:

[1, 2, 5, 10, 149, 181, 298, 362, 521, 745, 905, 1042, 1490, 1810, 2605, 5210, 26969, 53938, 77629, 94301, 134845, 155258, 188602, 269690, 388145, 471505, 776290, 943010, 14050849, 28101698, 70254245, 140508490]

約数ペア:

[(1, 140508490), (2, 70254245), (5, 28101698), (10, 14050849), (149, 943010), (181, 776290), (298, 471505), (362, 388145), (521, 269690), (745, 188602), (905, 155258), (1042, 134845), (1490, 94301), (1810, 77629), (2605, 53938), (5210, 26969)]