163968980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171207}}^1$

素因数の和:1171223

約数の個数: 24

約数和(自身を含む): 393525888

約数和(自身を除く): 229556908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171207, 2342414, 4684828, 5856035, 8198449, 11712070, 16396898, 23424140, 32793796, 40992245, 81984490, 163968980]

約数ペア:

[(1, 163968980), (2, 81984490), (4, 40992245), (5, 32793796), (7, 23424140), (10, 16396898), (14, 11712070), (20, 8198449), (28, 5856035), (35, 4684828), (70, 2342414), (140, 1171207)]