90490100

素因数分解:

$2^2\times 5^2\times {\mathrm{904901}}^1$

素因数の和:904915

約数の個数: 18

約数和(自身を含む): 196363734

約数和(自身を除く): 105873634

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 904901, 1809802, 3619604, 4524505, 9049010, 18098020, 22622525, 45245050, 90490100]

約数ペア:

[(1, 90490100), (2, 45245050), (4, 22622525), (5, 18098020), (10, 9049010), (20, 4524505), (25, 3619604), (50, 1809802), (100, 904901)]