78779740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{302999}}^1$

素因数の和:303021

約数の個数: 24

約数和(自身を含む): 178164000

約数和(自身を除く): 99384260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 302999, 605998, 1211996, 1514995, 3029990, 3938987, 6059980, 7877974, 15755948, 19694935, 39389870, 78779740]

約数ペア:

[(1, 78779740), (2, 39389870), (4, 19694935), (5, 15755948), (10, 7877974), (13, 6059980), (20, 3938987), (26, 3029990), (52, 1514995), (65, 1211996), (130, 605998), (260, 302999)]