198246940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{210901}}^1$

素因数の和:210957

約数の個数: 24

約数和(自身を含む): 425178432

約数和(自身を除く): 226931492

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 210901, 421802, 843604, 1054505, 2109010, 4218020, 9912347, 19824694, 39649388, 49561735, 99123470, 198246940]

約数ペア:

[(1, 198246940), (2, 99123470), (4, 49561735), (5, 39649388), (10, 19824694), (20, 9912347), (47, 4218020), (94, 2109010), (188, 1054505), (235, 843604), (470, 421802), (940, 210901)]