2263280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 5542800

約数和(自身を除く): 3279520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1489, 1520, 2978, 5956, 7445, 11912, 14890, 23824, 28291, 29780, 56582, 59560, 113164, 119120, 141455, 226328, 282910, 452656, 565820, 1131640, 2263280]

約数ペア:

[(1, 2263280), (2, 1131640), (4, 565820), (5, 452656), (8, 282910), (10, 226328), (16, 141455), (19, 119120), (20, 113164), (38, 59560), (40, 56582), (76, 29780), (80, 28291), (95, 23824), (152, 14890), (190, 11912), (304, 7445), (380, 5956), (760, 2978), (1489, 1520)]