61908980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{442207}}^1$

素因数の和:442223

約数の個数: 24

約数和(自身を含む): 148581888

約数和(自身を除く): 86672908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 442207, 884414, 1768828, 2211035, 3095449, 4422070, 6190898, 8844140, 12381796, 15477245, 30954490, 61908980]

約数ペア:

[(1, 61908980), (2, 30954490), (4, 15477245), (5, 12381796), (7, 8844140), (10, 6190898), (14, 4422070), (20, 3095449), (28, 2211035), (35, 1768828), (70, 884414), (140, 442207)]