179396620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{689987}}^1$

素因数の和:690009

約数の個数: 24

約数和(自身を含む): 405712944

約数和(自身を除く): 226316324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 689987, 1379974, 2759948, 3449935, 6899870, 8969831, 13799740, 17939662, 35879324, 44849155, 89698310, 179396620]

約数ペア:

[(1, 179396620), (2, 89698310), (4, 44849155), (5, 35879324), (10, 17939662), (13, 13799740), (20, 8969831), (26, 6899870), (52, 3449935), (65, 2759948), (130, 1379974), (260, 689987)]