9838180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 22752576

約数和(自身を除く): 12914396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 227, 394, 454, 788, 908, 985, 1135, 1970, 2167, 2270, 2497, 3940, 4334, 4540, 4994, 8668, 9988, 10835, 12485, 21670, 24970, 43340, 44719, 49940, 89438, 178876, 223595, 447190, 491909, 894380, 983818, 1967636, 2459545, 4919090, 9838180]

約数ペア:

[(1, 9838180), (2, 4919090), (4, 2459545), (5, 1967636), (10, 983818), (11, 894380), (20, 491909), (22, 447190), (44, 223595), (55, 178876), (110, 89438), (197, 49940), (220, 44719), (227, 43340), (394, 24970), (454, 21670), (788, 12485), (908, 10835), (985, 9988), (1135, 8668), (1970, 4994), (2167, 4540), (2270, 4334), (2497, 3940)]