1866590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1865890

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 239, 355, 478, 710, 781, 1195, 1562, 2390, 2629, 3905, 5258, 7810, 13145, 16969, 26290, 33938, 84845, 169690, 186659, 373318, 933295, 1866590]

約数ペア:

[(1, 1866590), (2, 933295), (5, 373318), (10, 186659), (11, 169690), (22, 84845), (55, 33938), (71, 26290), (110, 16969), (142, 13145), (239, 7810), (355, 5258), (478, 3905), (710, 2629), (781, 2390), (1195, 1562)]