81382670

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 148975200

約数和(自身を除く): 67592530

約数列:

[1, 2, 5, 10, 109, 197, 218, 379, 394, 545, 758, 985, 1090, 1895, 1970, 3790, 21473, 41311, 42946, 74663, 82622, 107365, 149326, 206555, 214730, 373315, 413110, 746630, 8138267, 16276534, 40691335, 81382670]

約数ペア:

[(1, 81382670), (2, 40691335), (5, 16276534), (10, 8138267), (109, 746630), (197, 413110), (218, 373315), (379, 214730), (394, 206555), (545, 149326), (758, 107365), (985, 82622), (1090, 74663), (1895, 42946), (1970, 41311), (3790, 21473)]