29781640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{106363}}^1$

素因数の和:106381

約数の個数: 32

約数和(自身を含む): 76582080

約数和(自身を除く): 46800440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 106363, 212726, 425452, 531815, 744541, 850904, 1063630, 1489082, 2127260, 2978164, 3722705, 4254520, 5956328, 7445410, 14890820, 29781640]

約数ペア:

[(1, 29781640), (2, 14890820), (4, 7445410), (5, 5956328), (7, 4254520), (8, 3722705), (10, 2978164), (14, 2127260), (20, 1489082), (28, 1063630), (35, 850904), (40, 744541), (56, 531815), (70, 425452), (140, 212726), (280, 106363)]