31261890910

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1\times {\mathrm{43003}}^1$

素因数の和:43672

約数の個数: 32

約数和(自身を含む): 56785921920

約数和(自身を除く): 25524031010

約数列:

[1, 2, 5, 10, 139, 278, 523, 695, 1046, 1390, 2615, 5230, 43003, 72697, 86006, 145394, 215015, 363485, 430030, 726970, 5977417, 11954834, 22490569, 29887085, 44981138, 59774170, 112452845, 224905690, 3126189091, 6252378182, 15630945455, 31261890910]

約数ペア:

[(1, 31261890910), (2, 15630945455), (5, 6252378182), (10, 3126189091), (139, 224905690), (278, 112452845), (523, 59774170), (695, 44981138), (1046, 29887085), (1390, 22490569), (2615, 11954834), (5230, 5977417), (43003, 726970), (72697, 430030), (86006, 363485), (145394, 215015)]