917394220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1\times {\mathrm{907}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 1951342848

約数和(自身を除く): 1033948628

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 491, 515, 907, 982, 1030, 1814, 1964, 2060, 2455, 3628, 4535, 4910, 9070, 9820, 18140, 50573, 93421, 101146, 186842, 202292, 252865, 373684, 445337, 467105, 505730, 890674, 934210, 1011460, 1781348, 1868420, 2226685, 4453370, 8906740, 45869711, 91739422, 183478844, 229348555, 458697110, 917394220]

約数ペア:

[(1, 917394220), (2, 458697110), (4, 229348555), (5, 183478844), (10, 91739422), (20, 45869711), (103, 8906740), (206, 4453370), (412, 2226685), (491, 1868420), (515, 1781348), (907, 1011460), (982, 934210), (1030, 890674), (1814, 505730), (1964, 467105), (2060, 445337), (2455, 373684), (3628, 252865), (4535, 202292), (4910, 186842), (9070, 101146), (9820, 93421), (18140, 50573)]