1661380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11867}}^1$

素因数の和:11883

約数の個数: 24

約数和(自身を含む): 3987648

約数和(自身を除く): 2326268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11867, 23734, 47468, 59335, 83069, 118670, 166138, 237340, 332276, 415345, 830690, 1661380]

約数ペア:

[(1, 1661380), (2, 830690), (4, 415345), (5, 332276), (7, 237340), (10, 166138), (14, 118670), (20, 83069), (28, 59335), (35, 47468), (70, 23734), (140, 11867)]