2681000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{383}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 7188480

約数和(自身を除く): 4507480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 383, 500, 700, 766, 875, 1000, 1400, 1532, 1750, 1915, 2681, 3064, 3500, 3830, 5362, 7000, 7660, 9575, 10724, 13405, 15320, 19150, 21448, 26810, 38300, 47875, 53620, 67025, 76600, 95750, 107240, 134050, 191500, 268100, 335125, 383000, 536200, 670250, 1340500, 2681000]

約数ペア:

[(1, 2681000), (2, 1340500), (4, 670250), (5, 536200), (7, 383000), (8, 335125), (10, 268100), (14, 191500), (20, 134050), (25, 107240), (28, 95750), (35, 76600), (40, 67025), (50, 53620), (56, 47875), (70, 38300), (100, 26810), (125, 21448), (140, 19150), (175, 15320), (200, 13405), (250, 10724), (280, 9575), (350, 7660), (383, 7000), (500, 5362), (700, 3830), (766, 3500), (875, 3064), (1000, 2681), (1400, 1915), (1532, 1750)]