129426470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{145423}}^1$

素因数の和:145519

約数の個数: 16

約数和(自身を含む): 235586880

約数和(自身を除く): 106160410

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 145423, 290846, 727115, 1454230, 12942647, 25885294, 64713235, 129426470]

約数ペア:

[(1, 129426470), (2, 64713235), (5, 25885294), (10, 12942647), (89, 1454230), (178, 727115), (445, 290846), (890, 145423)]