251240615

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 329503944

約数和(自身を除く): 78263329

約数列:

[1, 5, 23, 43, 47, 115, 215, 235, 529, 989, 1081, 2021, 2209, 2645, 4945, 5405, 10105, 11045, 22747, 24863, 46483, 50807, 94987, 113735, 124315, 232415, 254035, 474935, 1069109, 1168561, 2184701, 5345545, 5842805, 10923505, 50248123, 251240615]

約数ペア:

[(1, 251240615), (5, 50248123), (23, 10923505), (43, 5842805), (47, 5345545), (115, 2184701), (215, 1168561), (235, 1069109), (529, 474935), (989, 254035), (1081, 232415), (2021, 124315), (2209, 113735), (2645, 94987), (4945, 50807), (5405, 46483), (10105, 24863), (11045, 22747)]