1221457100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{93241}}^1$

素因数の和:93386

約数の個数: 36

約数和(自身を含む): 2670823848

約数和(自身を除く): 1449366748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 93241, 186482, 372964, 466205, 932410, 1864820, 2331025, 4662050, 9324100, 12214571, 24429142, 48858284, 61072855, 122145710, 244291420, 305364275, 610728550, 1221457100]

約数ペア:

[(1, 1221457100), (2, 610728550), (4, 305364275), (5, 244291420), (10, 122145710), (20, 61072855), (25, 48858284), (50, 24429142), (100, 12214571), (131, 9324100), (262, 4662050), (524, 2331025), (655, 1864820), (1310, 932410), (2620, 466205), (3275, 372964), (6550, 186482), (13100, 93241)]