208037980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{221317}}^1$

素因数の和:221373

約数の個数: 24

約数和(自身を含む): 446177088

約数和(自身を除く): 238139108

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 221317, 442634, 885268, 1106585, 2213170, 4426340, 10401899, 20803798, 41607596, 52009495, 104018990, 208037980]

約数ペア:

[(1, 208037980), (2, 104018990), (4, 52009495), (5, 41607596), (10, 20803798), (20, 10401899), (47, 4426340), (94, 2213170), (188, 1106585), (235, 885268), (470, 442634), (940, 221317)]