401025380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2864467}}^1$

素因数の和:2864483

約数の個数: 24

約数和(自身を含む): 962461248

約数和(自身を除く): 561435868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2864467, 5728934, 11457868, 14322335, 20051269, 28644670, 40102538, 57289340, 80205076, 100256345, 200512690, 401025380]

約数ペア:

[(1, 401025380), (2, 200512690), (4, 100256345), (5, 80205076), (7, 57289340), (10, 40102538), (14, 28644670), (20, 20051269), (28, 14322335), (35, 11457868), (70, 5728934), (140, 2864467)]