208045640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472831}}^1$

素因数の和:472853

約数の個数: 32

約数和(自身を含む): 510658560

約数和(自身を除く): 302612920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472831, 945662, 1891324, 2364155, 3782648, 4728310, 5201141, 9456620, 10402282, 18913240, 20804564, 26005705, 41609128, 52011410, 104022820, 208045640]

約数ペア:

[(1, 208045640), (2, 104022820), (4, 52011410), (5, 41609128), (8, 26005705), (10, 20804564), (11, 18913240), (20, 10402282), (22, 9456620), (40, 5201141), (44, 4728310), (55, 3782648), (88, 2364155), (110, 1891324), (220, 945662), (440, 472831)]