156988810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20101}}^1$

素因数の和:20190

約数の個数: 32

約数和(自身を含む): 312626304

約数和(自身を除く): 155637494

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 20101, 40202, 100505, 201010, 221111, 442222, 1105555, 1427171, 2211110, 2854342, 7135855, 14271710, 15698881, 31397762, 78494405, 156988810]

約数ペア:

[(1, 156988810), (2, 78494405), (5, 31397762), (10, 15698881), (11, 14271710), (22, 7135855), (55, 2854342), (71, 2211110), (110, 1427171), (142, 1105555), (355, 442222), (710, 221111), (781, 201010), (1562, 100505), (3905, 40202), (7810, 20101)]