247913450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{35671}}^1$

素因数の和:35822

約数の個数: 24

約数和(自身を含む): 464449440

約数和(自身を除く): 216535990

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 35671, 71342, 178355, 356710, 891775, 1783550, 4958269, 9916538, 24791345, 49582690, 123956725, 247913450]

約数ペア:

[(1, 247913450), (2, 123956725), (5, 49582690), (10, 24791345), (25, 9916538), (50, 4958269), (139, 1783550), (278, 891775), (695, 356710), (1390, 178355), (3475, 71342), (6950, 35671)]