47621980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17903}}^1$

素因数の和:17938

約数の個数: 48

約数和(自身を含む): 120314880

約数和(自身を除く): 72692900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 17903, 35806, 71612, 89515, 125321, 179030, 250642, 340157, 358060, 501284, 626605, 680314, 1253210, 1360628, 1700785, 2381099, 2506420, 3401570, 4762198, 6803140, 9524396, 11905495, 23810990, 47621980]

約数ペア:

[(1, 47621980), (2, 23810990), (4, 11905495), (5, 9524396), (7, 6803140), (10, 4762198), (14, 3401570), (19, 2506420), (20, 2381099), (28, 1700785), (35, 1360628), (38, 1253210), (70, 680314), (76, 626605), (95, 501284), (133, 358060), (140, 340157), (190, 250642), (266, 179030), (380, 125321), (532, 89515), (665, 71612), (1330, 35806), (2660, 17903)]