139115420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409163}}^1$

素因数の和:409189

約数の個数: 24

約数和(自身を含む): 309327984

約数和(自身を除く): 170212564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 409163, 818326, 1636652, 2045815, 4091630, 6955771, 8183260, 13911542, 27823084, 34778855, 69557710, 139115420]

約数ペア:

[(1, 139115420), (2, 69557710), (4, 34778855), (5, 27823084), (10, 13911542), (17, 8183260), (20, 6955771), (34, 4091630), (68, 2045815), (85, 1636652), (170, 818326), (340, 409163)]