284240380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1499}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 630000000

約数和(自身を除く): 345759620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 499, 998, 1499, 1996, 2495, 2998, 4990, 5996, 7495, 9481, 9980, 14990, 18962, 28481, 29980, 37924, 47405, 56962, 94810, 113924, 142405, 189620, 284810, 569620, 748001, 1496002, 2992004, 3740005, 7480010, 14212019, 14960020, 28424038, 56848076, 71060095, 142120190, 284240380]

約数ペア:

[(1, 284240380), (2, 142120190), (4, 71060095), (5, 56848076), (10, 28424038), (19, 14960020), (20, 14212019), (38, 7480010), (76, 3740005), (95, 2992004), (190, 1496002), (380, 748001), (499, 569620), (998, 284810), (1499, 189620), (1996, 142405), (2495, 113924), (2998, 94810), (4990, 56962), (5996, 47405), (7495, 37924), (9481, 29980), (9980, 28481), (14990, 18962)]