82751620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3967}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 199987200

約数和(自身を除く): 117235580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 3967, 4172, 5215, 7934, 10430, 15868, 19835, 20860, 27769, 39670, 55538, 79340, 111076, 138845, 277690, 555380, 591083, 1182166, 2364332, 2955415, 4137581, 5910830, 8275162, 11821660, 16550324, 20687905, 41375810, 82751620]

約数ペア:

[(1, 82751620), (2, 41375810), (4, 20687905), (5, 16550324), (7, 11821660), (10, 8275162), (14, 5910830), (20, 4137581), (28, 2955415), (35, 2364332), (70, 1182166), (140, 591083), (149, 555380), (298, 277690), (596, 138845), (745, 111076), (1043, 79340), (1490, 55538), (2086, 39670), (2980, 27769), (3967, 20860), (4172, 19835), (5215, 15868), (7934, 10430)]