290181710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318881}}^1$

素因数の和:318908

約数の個数: 32

約数和(自身を含む): 642866112

約数和(自身を除く): 352684402

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318881, 637762, 1594405, 2232167, 3188810, 4145453, 4464334, 8290906, 11160835, 20727265, 22321670, 29018171, 41454530, 58036342, 145090855, 290181710]

約数ペア:

[(1, 290181710), (2, 145090855), (5, 58036342), (7, 41454530), (10, 29018171), (13, 22321670), (14, 20727265), (26, 11160835), (35, 8290906), (65, 4464334), (70, 4145453), (91, 3188810), (130, 2232167), (182, 1594405), (455, 637762), (910, 318881)]