403889990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{5769857}}^1$

素因数の和:5769871

約数の個数: 16

約数和(自身を含む): 830859552

約数和(自身を除く): 426969562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 5769857, 11539714, 28849285, 40388999, 57698570, 80777998, 201944995, 403889990]

約数ペア:

[(1, 403889990), (2, 201944995), (5, 80777998), (7, 57698570), (10, 40388999), (14, 28849285), (35, 11539714), (70, 5769857)]