123800180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{884287}}^1$

素因数の和:884303

約数の個数: 24

約数和(自身を含む): 297120768

約数和(自身を除く): 173320588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 884287, 1768574, 3537148, 4421435, 6190009, 8842870, 12380018, 17685740, 24760036, 30950045, 61900090, 123800180]

約数ペア:

[(1, 123800180), (2, 61900090), (4, 30950045), (5, 24760036), (7, 17685740), (10, 12380018), (14, 8842870), (20, 6190009), (28, 4421435), (35, 3537148), (70, 1768574), (140, 884287)]