17640803420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{123001}}^1$

素因数の和:123182

約数の個数: 48

約数和(自身を含む): 37939720896

約数和(自身を除く): 20298917476

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 1010, 1420, 2020, 7171, 14342, 28684, 35855, 71710, 123001, 143420, 246002, 492004, 615005, 1230010, 2460020, 8733071, 12423101, 17466142, 24846202, 34932284, 43665355, 49692404, 62115505, 87330710, 124231010, 174661420, 248462020, 882040171, 1764080342, 3528160684, 4410200855, 8820401710, 17640803420]

約数ペア:

[(1, 17640803420), (2, 8820401710), (4, 4410200855), (5, 3528160684), (10, 1764080342), (20, 882040171), (71, 248462020), (101, 174661420), (142, 124231010), (202, 87330710), (284, 62115505), (355, 49692404), (404, 43665355), (505, 34932284), (710, 24846202), (1010, 17466142), (1420, 12423101), (2020, 8733071), (7171, 2460020), (14342, 1230010), (28684, 615005), (35855, 492004), (71710, 246002), (123001, 143420)]