540500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 1257984

約数和(自身を除く): 717484

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 125, 188, 230, 235, 250, 460, 470, 500, 575, 940, 1081, 1150, 1175, 2162, 2300, 2350, 2875, 4324, 4700, 5405, 5750, 5875, 10810, 11500, 11750, 21620, 23500, 27025, 54050, 108100, 135125, 270250, 540500]

約数ペア:

[(1, 540500), (2, 270250), (4, 135125), (5, 108100), (10, 54050), (20, 27025), (23, 23500), (25, 21620), (46, 11750), (47, 11500), (50, 10810), (92, 5875), (94, 5750), (100, 5405), (115, 4700), (125, 4324), (188, 2875), (230, 2350), (235, 2300), (250, 2162), (460, 1175), (470, 1150), (500, 1081), (575, 940)]