17888650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 37782180

約数和(自身を除く): 19893530

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 73, 130, 145, 146, 169, 290, 325, 338, 365, 377, 650, 725, 730, 754, 845, 949, 1450, 1690, 1825, 1885, 1898, 2117, 3650, 3770, 4225, 4234, 4745, 4901, 8450, 9425, 9490, 9802, 10585, 12337, 18850, 21170, 23725, 24505, 24674, 27521, 47450, 49010, 52925, 55042, 61685, 105850, 122525, 123370, 137605, 245050, 275210, 308425, 357773, 616850, 688025, 715546, 1376050, 1788865, 3577730, 8944325, 17888650]

約数ペア:

[(1, 17888650), (2, 8944325), (5, 3577730), (10, 1788865), (13, 1376050), (25, 715546), (26, 688025), (29, 616850), (50, 357773), (58, 308425), (65, 275210), (73, 245050), (130, 137605), (145, 123370), (146, 122525), (169, 105850), (290, 61685), (325, 55042), (338, 52925), (365, 49010), (377, 47450), (650, 27521), (725, 24674), (730, 24505), (754, 23725), (845, 21170), (949, 18850), (1450, 12337), (1690, 10585), (1825, 9802), (1885, 9490), (1898, 9425), (2117, 8450), (3650, 4901), (3770, 4745), (4225, 4234)]