68613980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7507}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 144423888

約数和(自身を除く): 75809908

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 7507, 9140, 15014, 30028, 37535, 75070, 150140, 3430699, 6861398, 13722796, 17153495, 34306990, 68613980]

約数ペア:

[(1, 68613980), (2, 34306990), (4, 17153495), (5, 13722796), (10, 6861398), (20, 3430699), (457, 150140), (914, 75070), (1828, 37535), (2285, 30028), (4570, 15014), (7507, 9140)]