2765000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 7497600

約数和(自身を除く): 4732600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 100, 125, 140, 158, 175, 200, 250, 280, 316, 350, 395, 500, 553, 625, 632, 700, 790, 875, 1000, 1106, 1250, 1400, 1580, 1750, 1975, 2212, 2500, 2765, 3160, 3500, 3950, 4375, 4424, 5000, 5530, 7000, 7900, 8750, 9875, 11060, 13825, 15800, 17500, 19750, 22120, 27650, 35000, 39500, 49375, 55300, 69125, 79000, 98750, 110600, 138250, 197500, 276500, 345625, 395000, 553000, 691250, 1382500, 2765000]

約数ペア:

[(1, 2765000), (2, 1382500), (4, 691250), (5, 553000), (7, 395000), (8, 345625), (10, 276500), (14, 197500), (20, 138250), (25, 110600), (28, 98750), (35, 79000), (40, 69125), (50, 55300), (56, 49375), (70, 39500), (79, 35000), (100, 27650), (125, 22120), (140, 19750), (158, 17500), (175, 15800), (200, 13825), (250, 11060), (280, 9875), (316, 8750), (350, 7900), (395, 7000), (500, 5530), (553, 5000), (625, 4424), (632, 4375), (700, 3950), (790, 3500), (875, 3160), (1000, 2765), (1106, 2500), (1250, 2212), (1400, 1975), (1580, 1750)]