68741890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33863}}^1$

素因数の和:33906

約数の個数: 32

約数和(自身を含む): 146292480

約数和(自身を除く): 77550590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 33863, 67726, 169315, 237041, 338630, 474082, 982027, 1185205, 1964054, 2370410, 4910135, 6874189, 9820270, 13748378, 34370945, 68741890]

約数ペア:

[(1, 68741890), (2, 34370945), (5, 13748378), (7, 9820270), (10, 6874189), (14, 4910135), (29, 2370410), (35, 1964054), (58, 1185205), (70, 982027), (145, 474082), (203, 338630), (290, 237041), (406, 169315), (1015, 67726), (2030, 33863)]