686011660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{7013}}^1$

素因数の和:7162

約数の個数: 48

約数和(自身を含む): 1482366816

約数和(自身を除く): 796355156

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 670, 730, 1340, 1460, 4891, 7013, 9782, 14026, 19564, 24455, 28052, 35065, 48910, 70130, 97820, 140260, 469871, 511949, 939742, 1023898, 1879484, 2047796, 2349355, 2559745, 4698710, 5119490, 9397420, 10238980, 34300583, 68601166, 137202332, 171502915, 343005830, 686011660]

約数ペア:

[(1, 686011660), (2, 343005830), (4, 171502915), (5, 137202332), (10, 68601166), (20, 34300583), (67, 10238980), (73, 9397420), (134, 5119490), (146, 4698710), (268, 2559745), (292, 2349355), (335, 2047796), (365, 1879484), (670, 1023898), (730, 939742), (1340, 511949), (1460, 469871), (4891, 140260), (7013, 97820), (9782, 70130), (14026, 48910), (19564, 35065), (24455, 28052)]