157400380

素因数分解:

$2^2\times 5^1\times {\mathrm{7870019}}^1$

素因数の和:7870028

約数の個数: 12

約数和(自身を含む): 330540840

約数和(自身を除く): 173140460

約数列:

[1, 2, 4, 5, 10, 20, 7870019, 15740038, 31480076, 39350095, 78700190, 157400380]

約数ペア:

[(1, 157400380), (2, 78700190), (4, 39350095), (5, 31480076), (10, 15740038), (20, 7870019)]