517469380

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{13399}}^1$

素因数の和:15339

約数の個数: 24

約数和(自身を含む): 1087329600

約数和(自身を除く): 569860220

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 13399, 19310, 26798, 38620, 53596, 66995, 133990, 267980, 25873469, 51746938, 103493876, 129367345, 258734690, 517469380]

約数ペア:

[(1, 517469380), (2, 258734690), (4, 129367345), (5, 103493876), (10, 51746938), (20, 25873469), (1931, 267980), (3862, 133990), (7724, 66995), (9655, 53596), (13399, 38620), (19310, 26798)]