2089240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 4950000

約数和(自身を除く): 2860760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2749, 5498, 10996, 13745, 21992, 27490, 52231, 54980, 104462, 109960, 208924, 261155, 417848, 522310, 1044620, 2089240]

約数ペア:

[(1, 2089240), (2, 1044620), (4, 522310), (5, 417848), (8, 261155), (10, 208924), (19, 109960), (20, 104462), (38, 54980), (40, 52231), (76, 27490), (95, 21992), (152, 13745), (190, 10996), (380, 5498), (760, 2749)]