30720452

素因数分解:

$2^2\times 7^3\times {\mathrm{22391}}^1$

素因数の和:22416

約数の個数: 24

約数和(自身を含む): 62697600

約数和(自身を除く): 31977148

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 22391, 44782, 89564, 156737, 313474, 626948, 1097159, 2194318, 4388636, 7680113, 15360226, 30720452]

約数ペア:

[(1, 30720452), (2, 15360226), (4, 7680113), (7, 4388636), (14, 2194318), (28, 1097159), (49, 626948), (98, 313474), (196, 156737), (343, 89564), (686, 44782), (1372, 22391)]