1982890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 4394880

約数和(自身を除く): 2411990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 2179, 4358, 10895, 15253, 21790, 28327, 30506, 56654, 76265, 141635, 152530, 198289, 283270, 396578, 991445, 1982890]

約数ペア:

[(1, 1982890), (2, 991445), (5, 396578), (7, 283270), (10, 198289), (13, 152530), (14, 141635), (26, 76265), (35, 56654), (65, 30506), (70, 28327), (91, 21790), (130, 15253), (182, 10895), (455, 4358), (910, 2179)]