28467950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 61008000

約数和(自身を除く): 32540050

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 163, 175, 326, 350, 499, 815, 998, 1141, 1630, 2282, 2495, 3493, 4075, 4990, 5705, 6986, 8150, 11410, 12475, 17465, 24950, 28525, 34930, 57050, 81337, 87325, 162674, 174650, 406685, 569359, 813370, 1138718, 2033425, 2846795, 4066850, 5693590, 14233975, 28467950]

約数ペア:

[(1, 28467950), (2, 14233975), (5, 5693590), (7, 4066850), (10, 2846795), (14, 2033425), (25, 1138718), (35, 813370), (50, 569359), (70, 406685), (163, 174650), (175, 162674), (326, 87325), (350, 81337), (499, 57050), (815, 34930), (998, 28525), (1141, 24950), (1630, 17465), (2282, 12475), (2495, 11410), (3493, 8150), (4075, 6986), (4990, 5705)]