904640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 2359152

約数和(自身を除く): 1454512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 257, 320, 352, 440, 514, 704, 880, 1028, 1285, 1760, 2056, 2570, 2827, 3520, 4112, 5140, 5654, 8224, 10280, 11308, 14135, 16448, 20560, 22616, 28270, 41120, 45232, 56540, 82240, 90464, 113080, 180928, 226160, 452320, 904640]

約数ペア:

[(1, 904640), (2, 452320), (4, 226160), (5, 180928), (8, 113080), (10, 90464), (11, 82240), (16, 56540), (20, 45232), (22, 41120), (32, 28270), (40, 22616), (44, 20560), (55, 16448), (64, 14135), (80, 11308), (88, 10280), (110, 8224), (160, 5654), (176, 5140), (220, 4112), (257, 3520), (320, 2827), (352, 2570), (440, 2056), (514, 1760), (704, 1285), (880, 1028)]