2881480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 7620480

約数和(自身を除く): 4739000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 251, 280, 287, 328, 410, 502, 574, 820, 1004, 1148, 1255, 1435, 1640, 1757, 2008, 2296, 2510, 2870, 3514, 5020, 5740, 7028, 8785, 10040, 10291, 11480, 14056, 17570, 20582, 35140, 41164, 51455, 70280, 72037, 82328, 102910, 144074, 205820, 288148, 360185, 411640, 576296, 720370, 1440740, 2881480]

約数ペア:

[(1, 2881480), (2, 1440740), (4, 720370), (5, 576296), (7, 411640), (8, 360185), (10, 288148), (14, 205820), (20, 144074), (28, 102910), (35, 82328), (40, 72037), (41, 70280), (56, 51455), (70, 41164), (82, 35140), (140, 20582), (164, 17570), (205, 14056), (251, 11480), (280, 10291), (287, 10040), (328, 8785), (410, 7028), (502, 5740), (574, 5020), (820, 3514), (1004, 2870), (1148, 2510), (1255, 2296), (1435, 2008), (1640, 1757)]