64802500

素因数分解:

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

素因数の和:84

約数の個数: 135

約数和(自身を含む): 172325307

約数和(自身を除く): 107522807

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, 529, 575, 625, 644, 700, 805, 875, 980, 1058, 1127, 1150, 1225, 1250, 1610, 1750, 2116, 2254, 2300, 2450, 2500, 2645, 2875, 3220, 3500, 3703, 4025, 4375, 4508, 4900, 5290, 5635, 5750, 6125, 7406, 8050, 8750, 10580, 11270, 11500, 12250, 13225, 14375, 14812, 16100, 17500, 18515, 20125, 22540, 24500, 25921, 26450, 28175, 28750, 30625, 37030, 40250, 51842, 52900, 56350, 57500, 61250, 66125, 74060, 80500, 92575, 100625, 103684, 112700, 122500, 129605, 132250, 140875, 185150, 201250, 259210, 264500, 281750, 330625, 370300, 402500, 462875, 518420, 563500, 648025, 661250, 704375, 925750, 1296050, 1322500, 1408750, 1851500, 2314375, 2592100, 2817500, 3240125, 4628750, 6480250, 9257500, 12960500, 16200625, 32401250, 64802500]

約数ペア:

[(1, 64802500), (2, 32401250), (4, 16200625), (5, 12960500), (7, 9257500), (10, 6480250), (14, 4628750), (20, 3240125), (23, 2817500), (25, 2592100), (28, 2314375), (35, 1851500), (46, 1408750), (49, 1322500), (50, 1296050), (70, 925750), (92, 704375), (98, 661250), (100, 648025), (115, 563500), (125, 518420), (140, 462875), (161, 402500), (175, 370300), (196, 330625), (230, 281750), (245, 264500), (250, 259210), (322, 201250), (350, 185150), (460, 140875), (490, 132250), (500, 129605), (529, 122500), (575, 112700), (625, 103684), (644, 100625), (700, 92575), (805, 80500), (875, 74060), (980, 66125), (1058, 61250), (1127, 57500), (1150, 56350), (1225, 52900), (1250, 51842), (1610, 40250), (1750, 37030), (2116, 30625), (2254, 28750), (2300, 28175), (2450, 26450), (2500, 25921), (2645, 24500), (2875, 22540), (3220, 20125), (3500, 18515), (3703, 17500), (4025, 16100), (4375, 14812), (4508, 14375), (4900, 13225), (5290, 12250), (5635, 11500), (5750, 11270), (6125, 10580), (7406, 8750)]