209933960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{111667}}^1$

素因数の和:111725

約数の個数: 32

約数和(自身を含む): 482405760

約数和(自身を除く): 272471800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 111667, 223334, 446668, 558335, 893336, 1116670, 2233340, 4466680, 5248349, 10496698, 20993396, 26241745, 41986792, 52483490, 104966980, 209933960]

約数ペア:

[(1, 209933960), (2, 104966980), (4, 52483490), (5, 41986792), (8, 26241745), (10, 20993396), (20, 10496698), (40, 5248349), (47, 4466680), (94, 2233340), (188, 1116670), (235, 893336), (376, 558335), (470, 446668), (940, 223334), (1880, 111667)]