7220950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 15445440

約数和(自身を除く): 8224490

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 691, 950, 1045, 1382, 2090, 3455, 5225, 6910, 7601, 10450, 13129, 15202, 17275, 26258, 34550, 38005, 65645, 76010, 131290, 144419, 190025, 288838, 328225, 380050, 656450, 722095, 1444190, 3610475, 7220950]

約数ペア:

[(1, 7220950), (2, 3610475), (5, 1444190), (10, 722095), (11, 656450), (19, 380050), (22, 328225), (25, 288838), (38, 190025), (50, 144419), (55, 131290), (95, 76010), (110, 65645), (190, 38005), (209, 34550), (275, 26258), (418, 17275), (475, 15202), (550, 13129), (691, 10450), (950, 7601), (1045, 6910), (1382, 5225), (2090, 3455)]