17751020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 43051008

約数和(自身を除く): 25299988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1231, 1442, 2060, 2462, 2884, 3605, 4924, 6155, 7210, 8617, 12310, 14420, 17234, 24620, 34468, 43085, 86170, 126793, 172340, 253586, 507172, 633965, 887551, 1267930, 1775102, 2535860, 3550204, 4437755, 8875510, 17751020]

約数ペア:

[(1, 17751020), (2, 8875510), (4, 4437755), (5, 3550204), (7, 2535860), (10, 1775102), (14, 1267930), (20, 887551), (28, 633965), (35, 507172), (70, 253586), (103, 172340), (140, 126793), (206, 86170), (412, 43085), (515, 34468), (721, 24620), (1030, 17234), (1231, 14420), (1442, 12310), (2060, 8617), (2462, 7210), (2884, 6155), (3605, 4924)]