30670420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1279}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 70963200

約数和(自身を除く): 40292780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1279, 2180, 2398, 2558, 4796, 5116, 5995, 6395, 11990, 12790, 14069, 23980, 25580, 28138, 56276, 70345, 139411, 140690, 278822, 281380, 557644, 697055, 1394110, 1533521, 2788220, 3067042, 6134084, 7667605, 15335210, 30670420]

約数ペア:

[(1, 30670420), (2, 15335210), (4, 7667605), (5, 6134084), (10, 3067042), (11, 2788220), (20, 1533521), (22, 1394110), (44, 697055), (55, 557644), (109, 281380), (110, 278822), (218, 140690), (220, 139411), (436, 70345), (545, 56276), (1090, 28138), (1199, 25580), (1279, 23980), (2180, 14069), (2398, 12790), (2558, 11990), (4796, 6395), (5116, 5995)]