620071780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{99053}}^1$

素因数の和:99375

約数の個数: 24

約数和(自身を含む): 1306324152

約数和(自身を除く): 686252372

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 99053, 198106, 396212, 495265, 990530, 1981060, 31003589, 62007178, 124014356, 155017945, 310035890, 620071780]

約数ペア:

[(1, 620071780), (2, 310035890), (4, 155017945), (5, 124014356), (10, 62007178), (20, 31003589), (313, 1981060), (626, 990530), (1252, 495265), (1565, 396212), (3130, 198106), (6260, 99053)]