380497640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257093}}^1$

素因数の和:257141

約数の個数: 32

約数和(自身を含む): 879261480

約数和(自身を除く): 498763840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 257093, 514186, 1028372, 1285465, 2056744, 2570930, 5141860, 9512441, 10283720, 19024882, 38049764, 47562205, 76099528, 95124410, 190248820, 380497640]

約数ペア:

[(1, 380497640), (2, 190248820), (4, 95124410), (5, 76099528), (8, 47562205), (10, 38049764), (20, 19024882), (37, 10283720), (40, 9512441), (74, 5141860), (148, 2570930), (185, 2056744), (296, 1285465), (370, 1028372), (740, 514186), (1480, 257093)]