2012500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3237164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 322, 350, 460, 500, 575, 625, 644, 700, 805, 875, 1150, 1250, 1610, 1750, 2300, 2500, 2875, 3125, 3220, 3500, 4025, 4375, 5750, 6250, 8050, 8750, 11500, 12500, 14375, 16100, 17500, 20125, 21875, 28750, 40250, 43750, 57500, 71875, 80500, 87500, 100625, 143750, 201250, 287500, 402500, 503125, 1006250, 2012500]

約数ペア:

[(1, 2012500), (2, 1006250), (4, 503125), (5, 402500), (7, 287500), (10, 201250), (14, 143750), (20, 100625), (23, 87500), (25, 80500), (28, 71875), (35, 57500), (46, 43750), (50, 40250), (70, 28750), (92, 21875), (100, 20125), (115, 17500), (125, 16100), (140, 14375), (161, 12500), (175, 11500), (230, 8750), (250, 8050), (322, 6250), (350, 5750), (460, 4375), (500, 4025), (575, 3500), (625, 3220), (644, 3125), (700, 2875), (805, 2500), (875, 2300), (1150, 1750), (1250, 1610)]