7213750

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 40

約数和(自身を含む): 14058000

約数和(自身を除く): 6844250

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 199, 250, 290, 398, 625, 725, 995, 1250, 1450, 1990, 3625, 4975, 5771, 7250, 9950, 11542, 18125, 24875, 28855, 36250, 49750, 57710, 124375, 144275, 248750, 288550, 721375, 1442750, 3606875, 7213750]

約数ペア:

[(1, 7213750), (2, 3606875), (5, 1442750), (10, 721375), (25, 288550), (29, 248750), (50, 144275), (58, 124375), (125, 57710), (145, 49750), (199, 36250), (250, 28855), (290, 24875), (398, 18125), (625, 11542), (725, 9950), (995, 7250), (1250, 5771), (1450, 4975), (1990, 3625)]