7858840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 19712160

約数和(自身を除く): 11853320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 337, 424, 440, 530, 583, 674, 1060, 1166, 1348, 1685, 2120, 2332, 2696, 2915, 3370, 3707, 4664, 5830, 6740, 7414, 11660, 13480, 14828, 17861, 18535, 23320, 29656, 35722, 37070, 71444, 74140, 89305, 142888, 148280, 178610, 196471, 357220, 392942, 714440, 785884, 982355, 1571768, 1964710, 3929420, 7858840]

約数ペア:

[(1, 7858840), (2, 3929420), (4, 1964710), (5, 1571768), (8, 982355), (10, 785884), (11, 714440), (20, 392942), (22, 357220), (40, 196471), (44, 178610), (53, 148280), (55, 142888), (88, 89305), (106, 74140), (110, 71444), (212, 37070), (220, 35722), (265, 29656), (337, 23320), (424, 18535), (440, 17861), (530, 14828), (583, 13480), (674, 11660), (1060, 7414), (1166, 6740), (1348, 5830), (1685, 4664), (2120, 3707), (2332, 3370), (2696, 2915)]