2817500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 90

約数和(自身を含む): 7478856

約数和(自身を除く): 4661356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 125, 140, 161, 175, 196, 230, 245, 250, 322, 350, 460, 490, 500, 575, 625, 644, 700, 805, 875, 980, 1127, 1150, 1225, 1250, 1610, 1750, 2254, 2300, 2450, 2500, 2875, 3220, 3500, 4025, 4375, 4508, 4900, 5635, 5750, 6125, 8050, 8750, 11270, 11500, 12250, 14375, 16100, 17500, 20125, 22540, 24500, 28175, 28750, 30625, 40250, 56350, 57500, 61250, 80500, 100625, 112700, 122500, 140875, 201250, 281750, 402500, 563500, 704375, 1408750, 2817500]

約数ペア:

[(1, 2817500), (2, 1408750), (4, 704375), (5, 563500), (7, 402500), (10, 281750), (14, 201250), (20, 140875), (23, 122500), (25, 112700), (28, 100625), (35, 80500), (46, 61250), (49, 57500), (50, 56350), (70, 40250), (92, 30625), (98, 28750), (100, 28175), (115, 24500), (125, 22540), (140, 20125), (161, 17500), (175, 16100), (196, 14375), (230, 12250), (245, 11500), (250, 11270), (322, 8750), (350, 8050), (460, 6125), (490, 5750), (500, 5635), (575, 4900), (625, 4508), (644, 4375), (700, 4025), (805, 3500), (875, 3220), (980, 2875), (1127, 2500), (1150, 2450), (1225, 2300), (1250, 2254), (1610, 1750)]