131780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 302400

約数和(自身を除く): 170620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 599, 1198, 2396, 2995, 5990, 6589, 11980, 13178, 26356, 32945, 65890, 131780]

約数ペア:

[(1, 131780), (2, 65890), (4, 32945), (5, 26356), (10, 13178), (11, 11980), (20, 6589), (22, 5990), (44, 2995), (55, 2396), (110, 1198), (220, 599)]