28481000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 70200000

約数和(自身を除く): 41719000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1499, 1900, 2375, 2998, 3800, 4750, 5996, 7495, 9500, 11992, 14990, 19000, 28481, 29980, 37475, 56962, 59960, 74950, 113924, 142405, 149900, 187375, 227848, 284810, 299800, 374750, 569620, 712025, 749500, 1139240, 1424050, 1499000, 2848100, 3560125, 5696200, 7120250, 14240500, 28481000]

約数ペア:

[(1, 28481000), (2, 14240500), (4, 7120250), (5, 5696200), (8, 3560125), (10, 2848100), (19, 1499000), (20, 1424050), (25, 1139240), (38, 749500), (40, 712025), (50, 569620), (76, 374750), (95, 299800), (100, 284810), (125, 227848), (152, 187375), (190, 149900), (200, 142405), (250, 113924), (380, 74950), (475, 59960), (500, 56962), (760, 37475), (950, 29980), (1000, 28481), (1499, 19000), (1900, 14990), (2375, 11992), (2998, 9500), (3800, 7495), (4750, 5996)]