408072140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2914801}}^1$

素因数の和:2914817

約数の個数: 24

約数和(自身を含む): 979373472

約数和(自身を除く): 571301332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2914801, 5829602, 11659204, 14574005, 20403607, 29148010, 40807214, 58296020, 81614428, 102018035, 204036070, 408072140]

約数ペア:

[(1, 408072140), (2, 204036070), (4, 102018035), (5, 81614428), (7, 58296020), (10, 40807214), (14, 29148010), (20, 20403607), (28, 14574005), (35, 11659204), (70, 5829602), (140, 2914801)]