779740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2999}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 1764000

約数和(自身を除く): 984260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2999, 5998, 11996, 14995, 29990, 38987, 59980, 77974, 155948, 194935, 389870, 779740]

約数ペア:

[(1, 779740), (2, 389870), (4, 194935), (5, 155948), (10, 77974), (13, 59980), (20, 38987), (26, 29990), (52, 14995), (65, 11996), (130, 5998), (260, 2999)]