2113750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 40

約数和(自身を含む): 4217400

約数和(自身を除く): 2103650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 125, 178, 190, 250, 445, 475, 625, 890, 950, 1250, 1691, 2225, 2375, 3382, 4450, 4750, 8455, 11125, 11875, 16910, 22250, 23750, 42275, 55625, 84550, 111250, 211375, 422750, 1056875, 2113750]

約数ペア:

[(1, 2113750), (2, 1056875), (5, 422750), (10, 211375), (19, 111250), (25, 84550), (38, 55625), (50, 42275), (89, 23750), (95, 22250), (125, 16910), (178, 11875), (190, 11125), (250, 8455), (445, 4750), (475, 4450), (625, 3382), (890, 2375), (950, 2225), (1250, 1691)]