111884180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 239999760

約数和(自身を除く): 128115580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 292, 365, 389, 394, 730, 778, 788, 985, 1460, 1556, 1945, 1970, 3890, 3940, 7780, 14381, 28397, 28762, 56794, 57524, 71905, 76633, 113588, 141985, 143810, 153266, 283970, 287620, 306532, 383165, 567940, 766330, 1532660, 5594209, 11188418, 22376836, 27971045, 55942090, 111884180]

約数ペア:

[(1, 111884180), (2, 55942090), (4, 27971045), (5, 22376836), (10, 11188418), (20, 5594209), (73, 1532660), (146, 766330), (197, 567940), (292, 383165), (365, 306532), (389, 287620), (394, 283970), (730, 153266), (778, 143810), (788, 141985), (985, 113588), (1460, 76633), (1556, 71905), (1945, 57524), (1970, 56794), (3890, 28762), (3940, 28397), (7780, 14381)]