189780971530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{267297143}}^1$

素因数の和:267297221

約数の個数: 16

約数和(自身を含む): 346417098624

約数和(自身を除く): 156636127094

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 267297143, 534594286, 1336485715, 2672971430, 18978097153, 37956194306, 94890485765, 189780971530]

約数ペア:

[(1, 189780971530), (2, 94890485765), (5, 37956194306), (10, 18978097153), (71, 2672971430), (142, 1336485715), (355, 534594286), (710, 267297143)]