194805140

素因数分解:

$2^2\times 5^1\times {\mathrm{9740257}}^1$

素因数の和:9740266

約数の個数: 12

約数和(自身を含む): 409090836

約数和(自身を除く): 214285696

約数列:

[1, 2, 4, 5, 10, 20, 9740257, 19480514, 38961028, 48701285, 97402570, 194805140]

約数ペア:

[(1, 194805140), (2, 97402570), (4, 48701285), (5, 38961028), (10, 19480514), (20, 9740257)]