1805500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 4140864

約数和(自身を除く): 2335364

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 157, 230, 250, 314, 460, 500, 575, 628, 785, 1150, 1570, 2300, 2875, 3140, 3611, 3925, 5750, 7222, 7850, 11500, 14444, 15700, 18055, 19625, 36110, 39250, 72220, 78500, 90275, 180550, 361100, 451375, 902750, 1805500]

約数ペア:

[(1, 1805500), (2, 902750), (4, 451375), (5, 361100), (10, 180550), (20, 90275), (23, 78500), (25, 72220), (46, 39250), (50, 36110), (92, 19625), (100, 18055), (115, 15700), (125, 14444), (157, 11500), (230, 7850), (250, 7222), (314, 5750), (460, 3925), (500, 3611), (575, 3140), (628, 2875), (785, 2300), (1150, 1570)]