198634780

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{11197}}^1$

素因数の和:12093

約数の個数: 24

約数和(自身を含む): 417640608

約数和(自身を除く): 219005828

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 11197, 17740, 22394, 44788, 55985, 111970, 223940, 9931739, 19863478, 39726956, 49658695, 99317390, 198634780]

約数ペア:

[(1, 198634780), (2, 99317390), (4, 49658695), (5, 39726956), (10, 19863478), (20, 9931739), (887, 223940), (1774, 111970), (3548, 55985), (4435, 44788), (8870, 22394), (11197, 17740)]