889263500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:624

約数の個数: 96

約数和(自身を含む): 2012774400

約数和(自身を除く): 1123510900

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 79, 94, 100, 125, 158, 188, 235, 250, 316, 395, 470, 479, 500, 790, 940, 958, 1175, 1580, 1916, 1975, 2350, 2395, 3713, 3950, 4700, 4790, 5875, 7426, 7900, 9580, 9875, 11750, 11975, 14852, 18565, 19750, 22513, 23500, 23950, 37130, 37841, 39500, 45026, 47900, 59875, 74260, 75682, 90052, 92825, 112565, 119750, 151364, 185650, 189205, 225130, 239500, 371300, 378410, 450260, 464125, 562825, 756820, 928250, 946025, 1125650, 1778527, 1856500, 1892050, 2251300, 2814125, 3557054, 3784100, 4730125, 5628250, 7114108, 8892635, 9460250, 11256500, 17785270, 18920500, 35570540, 44463175, 88926350, 177852700, 222315875, 444631750, 889263500]

約数ペア:

[(1, 889263500), (2, 444631750), (4, 222315875), (5, 177852700), (10, 88926350), (20, 44463175), (25, 35570540), (47, 18920500), (50, 17785270), (79, 11256500), (94, 9460250), (100, 8892635), (125, 7114108), (158, 5628250), (188, 4730125), (235, 3784100), (250, 3557054), (316, 2814125), (395, 2251300), (470, 1892050), (479, 1856500), (500, 1778527), (790, 1125650), (940, 946025), (958, 928250), (1175, 756820), (1580, 562825), (1916, 464125), (1975, 450260), (2350, 378410), (2395, 371300), (3713, 239500), (3950, 225130), (4700, 189205), (4790, 185650), (5875, 151364), (7426, 119750), (7900, 112565), (9580, 92825), (9875, 90052), (11750, 75682), (11975, 74260), (14852, 59875), (18565, 47900), (19750, 45026), (22513, 39500), (23500, 37841), (23950, 37130)]