81746000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{5839}}^1$

素因数の和:5869

約数の個数: 80

約数和(自身を含む): 225937920

約数和(自身を除く): 144191920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 5839, 7000, 11678, 14000, 23356, 29195, 40873, 46712, 58390, 81746, 93424, 116780, 145975, 163492, 204365, 233560, 291950, 326984, 408730, 467120, 583900, 653968, 729875, 817460, 1021825, 1167800, 1459750, 1634920, 2043650, 2335600, 2919500, 3269840, 4087300, 5109125, 5839000, 8174600, 10218250, 11678000, 16349200, 20436500, 40873000, 81746000]

約数ペア:

[(1, 81746000), (2, 40873000), (4, 20436500), (5, 16349200), (7, 11678000), (8, 10218250), (10, 8174600), (14, 5839000), (16, 5109125), (20, 4087300), (25, 3269840), (28, 2919500), (35, 2335600), (40, 2043650), (50, 1634920), (56, 1459750), (70, 1167800), (80, 1021825), (100, 817460), (112, 729875), (125, 653968), (140, 583900), (175, 467120), (200, 408730), (250, 326984), (280, 291950), (350, 233560), (400, 204365), (500, 163492), (560, 145975), (700, 116780), (875, 93424), (1000, 81746), (1400, 58390), (1750, 46712), (2000, 40873), (2800, 29195), (3500, 23356), (5839, 14000), (7000, 11678)]