123942490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{2141}}^1$

素因数の和:2982

約数の個数: 32

約数和(自身を含む): 255394944

約数和(自身を除く): 131452454

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 827, 1654, 2141, 4135, 4282, 5789, 8270, 10705, 11578, 14987, 21410, 28945, 29974, 57890, 74935, 149870, 1770607, 3541214, 8853035, 12394249, 17706070, 24788498, 61971245, 123942490]

約数ペア:

[(1, 123942490), (2, 61971245), (5, 24788498), (7, 17706070), (10, 12394249), (14, 8853035), (35, 3541214), (70, 1770607), (827, 149870), (1654, 74935), (2141, 57890), (4135, 29974), (4282, 28945), (5789, 21410), (8270, 14987), (10705, 11578)]