168681940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1204871}}^1$

素因数の和:1204887

約数の個数: 24

約数和(自身を含む): 404836992

約数和(自身を除く): 236155052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1204871, 2409742, 4819484, 6024355, 8434097, 12048710, 16868194, 24097420, 33736388, 42170485, 84340970, 168681940]

約数ペア:

[(1, 168681940), (2, 84340970), (4, 42170485), (5, 33736388), (7, 24097420), (10, 16868194), (14, 12048710), (20, 8434097), (28, 6024355), (35, 4819484), (70, 2409742), (140, 1204871)]