157022890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221159}}^1$

素因数の和:221237

約数の個数: 16

約数和(自身を含む): 286623360

約数和(自身を除く): 129600470

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 221159, 442318, 1105795, 2211590, 15702289, 31404578, 78511445, 157022890]

約数ペア:

[(1, 157022890), (2, 78511445), (5, 31404578), (10, 15702289), (71, 2211590), (142, 1105795), (355, 442318), (710, 221159)]