82790260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8329}}^1$

素因数の和:8416

約数の個数: 48

約数和(自身を含む): 201519360

約数和(自身を除く): 118729100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8329, 9940, 16658, 33316, 41645, 58303, 83290, 116606, 166580, 233212, 291515, 583030, 591359, 1166060, 1182718, 2365436, 2956795, 4139513, 5913590, 8279026, 11827180, 16558052, 20697565, 41395130, 82790260]

約数ペア:

[(1, 82790260), (2, 41395130), (4, 20697565), (5, 16558052), (7, 11827180), (10, 8279026), (14, 5913590), (20, 4139513), (28, 2956795), (35, 2365436), (70, 1182718), (71, 1166060), (140, 591359), (142, 583030), (284, 291515), (355, 233212), (497, 166580), (710, 116606), (994, 83290), (1420, 58303), (1988, 41645), (2485, 33316), (4970, 16658), (8329, 9940)]