3965780

素因数分解:

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

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 10254720

約数和(自身を除く): 6288940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2179, 4358, 8716, 10895, 15253, 21790, 28327, 30506, 43580, 56654, 61012, 76265, 113308, 141635, 152530, 198289, 283270, 305060, 396578, 566540, 793156, 991445, 1982890, 3965780]

約数ペア:

[(1, 3965780), (2, 1982890), (4, 991445), (5, 793156), (7, 566540), (10, 396578), (13, 305060), (14, 283270), (20, 198289), (26, 152530), (28, 141635), (35, 113308), (52, 76265), (65, 61012), (70, 56654), (91, 43580), (130, 30506), (140, 28327), (182, 21790), (260, 15253), (364, 10895), (455, 8716), (910, 4358), (1820, 2179)]