17720570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1699}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 18999430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 1699, 2086, 3398, 5215, 8495, 10430, 11893, 16990, 23786, 59465, 118930, 253151, 506302, 1265755, 1772057, 2531510, 3544114, 8860285, 17720570]

約数ペア:

[(1, 17720570), (2, 8860285), (5, 3544114), (7, 2531510), (10, 1772057), (14, 1265755), (35, 506302), (70, 253151), (149, 118930), (298, 59465), (745, 23786), (1043, 16990), (1490, 11893), (1699, 10430), (2086, 8495), (3398, 5215)]