7826860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 17740800

約数和(自身を除く): 9913940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 479, 817, 860, 958, 1634, 1916, 2395, 3268, 4085, 4790, 8170, 9101, 9580, 16340, 18202, 20597, 36404, 41194, 45505, 82388, 91010, 102985, 182020, 205970, 391343, 411940, 782686, 1565372, 1956715, 3913430, 7826860]

約数ペア:

[(1, 7826860), (2, 3913430), (4, 1956715), (5, 1565372), (10, 782686), (19, 411940), (20, 391343), (38, 205970), (43, 182020), (76, 102985), (86, 91010), (95, 82388), (172, 45505), (190, 41194), (215, 36404), (380, 20597), (430, 18202), (479, 16340), (817, 9580), (860, 9101), (958, 8170), (1634, 4790), (1916, 4085), (2395, 3268)]