201367490

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{102217}}^1$

素因数の和:102421

約数の個数: 16

約数和(自身を含む): 364304952

約数和(自身を除く): 162937462

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 102217, 204434, 511085, 1022170, 20136749, 40273498, 100683745, 201367490]

約数ペア:

[(1, 201367490), (2, 100683745), (5, 40273498), (10, 20136749), (197, 1022170), (394, 511085), (985, 204434), (1970, 102217)]