199912510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2855893}}^1$

素因数の和:2855907

約数の個数: 16

約数和(自身を含む): 411248736

約数和(自身を除く): 211336226

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2855893, 5711786, 14279465, 19991251, 28558930, 39982502, 99956255, 199912510]

約数ペア:

[(1, 199912510), (2, 99956255), (5, 39982502), (7, 28558930), (10, 19991251), (14, 14279465), (35, 5711786), (70, 2855893)]