2783015120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1830931}}^1$

素因数の和:1830963

約数の個数: 40

約数和(自身を含む): 6811067040

約数和(自身を除く): 4028051920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1830931, 3661862, 7323724, 9154655, 14647448, 18309310, 29294896, 34787689, 36618620, 69575378, 73237240, 139150756, 146474480, 173938445, 278301512, 347876890, 556603024, 695753780, 1391507560, 2783015120]

約数ペア:

[(1, 2783015120), (2, 1391507560), (4, 695753780), (5, 556603024), (8, 347876890), (10, 278301512), (16, 173938445), (19, 146474480), (20, 139150756), (38, 73237240), (40, 69575378), (76, 36618620), (80, 34787689), (95, 29294896), (152, 18309310), (190, 14647448), (304, 9154655), (380, 7323724), (760, 3661862), (1520, 1830931)]