123243020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 265356000

約数和(自身を除く): 142112980

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 233, 265, 466, 499, 530, 932, 998, 1060, 1165, 1996, 2330, 2495, 4660, 4990, 9980, 12349, 24698, 26447, 49396, 52894, 61745, 105788, 116267, 123490, 132235, 232534, 246980, 264470, 465068, 528940, 581335, 1162670, 2325340, 6162151, 12324302, 24648604, 30810755, 61621510, 123243020]

約数ペア:

[(1, 123243020), (2, 61621510), (4, 30810755), (5, 24648604), (10, 12324302), (20, 6162151), (53, 2325340), (106, 1162670), (212, 581335), (233, 528940), (265, 465068), (466, 264470), (499, 246980), (530, 232534), (932, 132235), (998, 123490), (1060, 116267), (1165, 105788), (1996, 61745), (2330, 52894), (2495, 49396), (4660, 26447), (4990, 24698), (9980, 12349)]