197212940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{209801}}^1$

素因数の和:209857

約数の個数: 24

約数和(自身を含む): 422960832

約数和(自身を除く): 225747892

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 209801, 419602, 839204, 1049005, 2098010, 4196020, 9860647, 19721294, 39442588, 49303235, 98606470, 197212940]

約数ペア:

[(1, 197212940), (2, 98606470), (4, 49303235), (5, 39442588), (10, 19721294), (20, 9860647), (47, 4196020), (94, 2098010), (188, 1049005), (235, 839204), (470, 419602), (940, 209801)]