163450900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{8297}}^1$

素因数の和:8508

約数の個数: 36

約数和(自身を含む): 356531868

約数和(自身を除く): 193080968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 8297, 9850, 16594, 19700, 33188, 41485, 82970, 165940, 207425, 414850, 829700, 1634509, 3269018, 6538036, 8172545, 16345090, 32690180, 40862725, 81725450, 163450900]

約数ペア:

[(1, 163450900), (2, 81725450), (4, 40862725), (5, 32690180), (10, 16345090), (20, 8172545), (25, 6538036), (50, 3269018), (100, 1634509), (197, 829700), (394, 414850), (788, 207425), (985, 165940), (1970, 82970), (3940, 41485), (4925, 33188), (8297, 19700), (9850, 16594)]