422750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 842400

約数和(自身を除く): 419650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 125, 178, 190, 250, 445, 475, 890, 950, 1691, 2225, 2375, 3382, 4450, 4750, 8455, 11125, 16910, 22250, 42275, 84550, 211375, 422750]

約数ペア:

[(1, 422750), (2, 211375), (5, 84550), (10, 42275), (19, 22250), (25, 16910), (38, 11125), (50, 8455), (89, 4750), (95, 4450), (125, 3382), (178, 2375), (190, 2225), (250, 1691), (445, 950), (475, 890)]