7181020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4663}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 18805248

約数和(自身を除く): 11624228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4663, 9326, 18652, 23315, 32641, 46630, 51293, 65282, 93260, 102586, 130564, 163205, 205172, 256465, 326410, 359051, 512930, 652820, 718102, 1025860, 1436204, 1795255, 3590510, 7181020]

約数ペア:

[(1, 7181020), (2, 3590510), (4, 1795255), (5, 1436204), (7, 1025860), (10, 718102), (11, 652820), (14, 512930), (20, 359051), (22, 326410), (28, 256465), (35, 205172), (44, 163205), (55, 130564), (70, 102586), (77, 93260), (110, 65282), (140, 51293), (154, 46630), (220, 32641), (308, 23315), (385, 18652), (770, 9326), (1540, 4663)]