28499750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{3931}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 55205280

約数和(自身を除く): 26705530

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 3625, 3931, 7250, 7862, 19655, 39310, 98275, 113999, 196550, 227998, 491375, 569995, 982750, 1139990, 2849975, 5699950, 14249875, 28499750]

約数ペア:

[(1, 28499750), (2, 14249875), (5, 5699950), (10, 2849975), (25, 1139990), (29, 982750), (50, 569995), (58, 491375), (125, 227998), (145, 196550), (250, 113999), (290, 98275), (725, 39310), (1450, 19655), (3625, 7862), (3931, 7250)]