31303000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 76489920

約数和(自身を除く): 45186920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 1361, 2300, 2722, 2875, 4600, 5444, 5750, 6805, 10888, 11500, 13610, 23000, 27220, 31303, 34025, 54440, 62606, 68050, 125212, 136100, 156515, 170125, 250424, 272200, 313030, 340250, 626060, 680500, 782575, 1252120, 1361000, 1565150, 3130300, 3912875, 6260600, 7825750, 15651500, 31303000]

約数ペア:

[(1, 31303000), (2, 15651500), (4, 7825750), (5, 6260600), (8, 3912875), (10, 3130300), (20, 1565150), (23, 1361000), (25, 1252120), (40, 782575), (46, 680500), (50, 626060), (92, 340250), (100, 313030), (115, 272200), (125, 250424), (184, 170125), (200, 156515), (230, 136100), (250, 125212), (460, 68050), (500, 62606), (575, 54440), (920, 34025), (1000, 31303), (1150, 27220), (1361, 23000), (2300, 13610), (2722, 11500), (2875, 10888), (4600, 6805), (5444, 5750)]