3878000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{277}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 10755264

約数和(自身を除く): 6877264

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, 277, 280, 350, 400, 500, 554, 560, 700, 875, 1000, 1108, 1385, 1400, 1750, 1939, 2000, 2216, 2770, 2800, 3500, 3878, 4432, 5540, 6925, 7000, 7756, 9695, 11080, 13850, 14000, 15512, 19390, 22160, 27700, 31024, 34625, 38780, 48475, 55400, 69250, 77560, 96950, 110800, 138500, 155120, 193900, 242375, 277000, 387800, 484750, 554000, 775600, 969500, 1939000, 3878000]

約数ペア:

[(1, 3878000), (2, 1939000), (4, 969500), (5, 775600), (7, 554000), (8, 484750), (10, 387800), (14, 277000), (16, 242375), (20, 193900), (25, 155120), (28, 138500), (35, 110800), (40, 96950), (50, 77560), (56, 69250), (70, 55400), (80, 48475), (100, 38780), (112, 34625), (125, 31024), (140, 27700), (175, 22160), (200, 19390), (250, 15512), (277, 14000), (280, 13850), (350, 11080), (400, 9695), (500, 7756), (554, 7000), (560, 6925), (700, 5540), (875, 4432), (1000, 3878), (1108, 3500), (1385, 2800), (1400, 2770), (1750, 2216), (1939, 2000)]