344889520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{226901}}^1$

素因数の和:226933

約数の個数: 40

約数和(自身を含む): 844075440

約数和(自身を除く): 499185920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 226901, 453802, 907604, 1134505, 1815208, 2269010, 3630416, 4311119, 4538020, 8622238, 9076040, 17244476, 18152080, 21555595, 34488952, 43111190, 68977904, 86222380, 172444760, 344889520]

約数ペア:

[(1, 344889520), (2, 172444760), (4, 86222380), (5, 68977904), (8, 43111190), (10, 34488952), (16, 21555595), (19, 18152080), (20, 17244476), (38, 9076040), (40, 8622238), (76, 4538020), (80, 4311119), (95, 3630416), (152, 2269010), (190, 1815208), (304, 1134505), (380, 907604), (760, 453802), (1520, 226901)]