2669000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 6654960

約数和(自身を除く): 3985960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 157, 170, 200, 250, 314, 340, 425, 500, 628, 680, 785, 850, 1000, 1256, 1570, 1700, 2125, 2669, 3140, 3400, 3925, 4250, 5338, 6280, 7850, 8500, 10676, 13345, 15700, 17000, 19625, 21352, 26690, 31400, 39250, 53380, 66725, 78500, 106760, 133450, 157000, 266900, 333625, 533800, 667250, 1334500, 2669000]

約数ペア:

[(1, 2669000), (2, 1334500), (4, 667250), (5, 533800), (8, 333625), (10, 266900), (17, 157000), (20, 133450), (25, 106760), (34, 78500), (40, 66725), (50, 53380), (68, 39250), (85, 31400), (100, 26690), (125, 21352), (136, 19625), (157, 17000), (170, 15700), (200, 13345), (250, 10676), (314, 8500), (340, 7850), (425, 6280), (500, 5338), (628, 4250), (680, 3925), (785, 3400), (850, 3140), (1000, 2669), (1256, 2125), (1570, 1700)]