67398980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{306359}}^1$

素因数の和:306379

約数の個数: 24

約数和(自身を含む): 154405440

約数和(自身を除く): 87006460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 306359, 612718, 1225436, 1531795, 3063590, 3369949, 6127180, 6739898, 13479796, 16849745, 33699490, 67398980]

約数ペア:

[(1, 67398980), (2, 33699490), (4, 16849745), (5, 13479796), (10, 6739898), (11, 6127180), (20, 3369949), (22, 3063590), (44, 1531795), (55, 1225436), (110, 612718), (220, 306359)]