2987560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 7077600

約数和(自身を除く): 4090040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3931, 7862, 15724, 19655, 31448, 39310, 74689, 78620, 149378, 157240, 298756, 373445, 597512, 746890, 1493780, 2987560]

約数ペア:

[(1, 2987560), (2, 1493780), (4, 746890), (5, 597512), (8, 373445), (10, 298756), (19, 157240), (20, 149378), (38, 78620), (40, 74689), (76, 39310), (95, 31448), (152, 19655), (190, 15724), (380, 7862), (760, 3931)]