2807440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 6874560

約数和(自身を除く): 4067120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1847, 3694, 7388, 9235, 14776, 18470, 29552, 35093, 36940, 70186, 73880, 140372, 147760, 175465, 280744, 350930, 561488, 701860, 1403720, 2807440]

約数ペア:

[(1, 2807440), (2, 1403720), (4, 701860), (5, 561488), (8, 350930), (10, 280744), (16, 175465), (19, 147760), (20, 140372), (38, 73880), (40, 70186), (76, 36940), (80, 35093), (95, 29552), (152, 18470), (190, 14776), (304, 9235), (380, 7388), (760, 3694), (1520, 1847)]