74542180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{128521}}^1$

素因数の和:128559

約数の個数: 24

約数和(自身を含む): 161937720

約数和(自身を除く): 87395540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 128521, 257042, 514084, 642605, 1285210, 2570420, 3727109, 7454218, 14908436, 18635545, 37271090, 74542180]

約数ペア:

[(1, 74542180), (2, 37271090), (4, 18635545), (5, 14908436), (10, 7454218), (20, 3727109), (29, 2570420), (58, 1285210), (116, 642605), (145, 514084), (290, 257042), (580, 128521)]