215225710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{29851}}^1$

素因数の和:29968

約数の個数: 32

約数和(自身を含む): 447063552

約数和(自身を除く): 231837842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 29851, 59702, 149255, 208957, 298510, 417914, 1044785, 2089570, 3074653, 6149306, 15373265, 21522571, 30746530, 43045142, 107612855, 215225710]

約数ペア:

[(1, 215225710), (2, 107612855), (5, 43045142), (7, 30746530), (10, 21522571), (14, 15373265), (35, 6149306), (70, 3074653), (103, 2089570), (206, 1044785), (515, 417914), (721, 298510), (1030, 208957), (1442, 149255), (3605, 59702), (7210, 29851)]