99561880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3280

約数の個数: 64

約数和(自身を含む): 247898880

約数和(自身を除く): 148337000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3187, 3905, 6248, 6374, 7810, 12748, 15620, 15935, 25496, 31240, 31870, 35057, 63740, 70114, 127480, 140228, 175285, 226277, 280456, 350570, 452554, 701140, 905108, 1131385, 1402280, 1810216, 2262770, 2489047, 4525540, 4978094, 9051080, 9956188, 12445235, 19912376, 24890470, 49780940, 99561880]

約数ペア:

[(1, 99561880), (2, 49780940), (4, 24890470), (5, 19912376), (8, 12445235), (10, 9956188), (11, 9051080), (20, 4978094), (22, 4525540), (40, 2489047), (44, 2262770), (55, 1810216), (71, 1402280), (88, 1131385), (110, 905108), (142, 701140), (220, 452554), (284, 350570), (355, 280456), (440, 226277), (568, 175285), (710, 140228), (781, 127480), (1420, 70114), (1562, 63740), (2840, 35057), (3124, 31870), (3187, 31240), (3905, 25496), (6248, 15935), (6374, 15620), (7810, 12748)]