201580940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1979}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 463034880

約数和(自身を除く): 261453940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 463, 926, 1852, 1979, 2315, 3958, 4630, 5093, 7916, 9260, 9895, 10186, 19790, 20372, 21769, 25465, 39580, 43538, 50930, 87076, 101860, 108845, 217690, 435380, 916277, 1832554, 3665108, 4581385, 9162770, 10079047, 18325540, 20158094, 40316188, 50395235, 100790470, 201580940]

約数ペア:

[(1, 201580940), (2, 100790470), (4, 50395235), (5, 40316188), (10, 20158094), (11, 18325540), (20, 10079047), (22, 9162770), (44, 4581385), (55, 3665108), (110, 1832554), (220, 916277), (463, 435380), (926, 217690), (1852, 108845), (1979, 101860), (2315, 87076), (3958, 50930), (4630, 43538), (5093, 39580), (7916, 25465), (9260, 21769), (9895, 20372), (10186, 19790)]