42840100

素因数分解:

$2^2\times 5^2\times {\mathrm{428401}}^1$

素因数の和:428415

約数の個数: 18

約数和(自身を含む): 92963234

約数和(自身を除く): 50123134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 428401, 856802, 1713604, 2142005, 4284010, 8568020, 10710025, 21420050, 42840100]

約数ペア:

[(1, 42840100), (2, 21420050), (4, 10710025), (5, 8568020), (10, 4284010), (20, 2142005), (25, 1713604), (50, 856802), (100, 428401)]