301505720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{73181}}^1$

素因数の和:73295

約数の個数: 32

約数和(自身を含む): 684983520

約数和(自身を除く): 383477800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 73181, 146362, 292724, 365905, 585448, 731810, 1463620, 2927240, 7537643, 15075286, 30150572, 37688215, 60301144, 75376430, 150752860, 301505720]

約数ペア:

[(1, 301505720), (2, 150752860), (4, 75376430), (5, 60301144), (8, 37688215), (10, 30150572), (20, 15075286), (40, 7537643), (103, 2927240), (206, 1463620), (412, 731810), (515, 585448), (824, 365905), (1030, 292724), (2060, 146362), (4120, 73181)]