123900740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 266293440

約数和(自身を除く): 142392700

約数列:

[1, 2, 4, 5, 10, 20, 83, 101, 166, 202, 332, 404, 415, 505, 739, 830, 1010, 1478, 1660, 2020, 2956, 3695, 7390, 8383, 14780, 16766, 33532, 41915, 61337, 74639, 83830, 122674, 149278, 167660, 245348, 298556, 306685, 373195, 613370, 746390, 1226740, 1492780, 6195037, 12390074, 24780148, 30975185, 61950370, 123900740]

約数ペア:

[(1, 123900740), (2, 61950370), (4, 30975185), (5, 24780148), (10, 12390074), (20, 6195037), (83, 1492780), (101, 1226740), (166, 746390), (202, 613370), (332, 373195), (404, 306685), (415, 298556), (505, 245348), (739, 167660), (830, 149278), (1010, 122674), (1478, 83830), (1660, 74639), (2020, 61337), (2956, 41915), (3695, 33532), (7390, 16766), (8383, 14780)]