87418660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624419}}^1$

素因数の和:624435

約数の個数: 24

約数和(自身を含む): 209805120

約数和(自身を除く): 122386460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624419, 1248838, 2497676, 3122095, 4370933, 6244190, 8741866, 12488380, 17483732, 21854665, 43709330, 87418660]

約数ペア:

[(1, 87418660), (2, 43709330), (4, 21854665), (5, 17483732), (7, 12488380), (10, 8741866), (14, 6244190), (20, 4370933), (28, 3122095), (35, 2497676), (70, 1248838), (140, 624419)]