28814800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 81369792

約数和(自身を除く): 52554992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 164, 175, 200, 205, 251, 280, 287, 328, 350, 400, 410, 502, 560, 574, 656, 700, 820, 1004, 1025, 1148, 1255, 1400, 1435, 1640, 1757, 2008, 2050, 2296, 2510, 2800, 2870, 3280, 3514, 4016, 4100, 4592, 5020, 5740, 6275, 7028, 7175, 8200, 8785, 10040, 10291, 11480, 12550, 14056, 14350, 16400, 17570, 20080, 20582, 22960, 25100, 28112, 28700, 35140, 41164, 43925, 50200, 51455, 57400, 70280, 72037, 82328, 87850, 100400, 102910, 114800, 140560, 144074, 164656, 175700, 205820, 257275, 288148, 351400, 360185, 411640, 514550, 576296, 702800, 720370, 823280, 1029100, 1152592, 1440740, 1800925, 2058200, 2881480, 3601850, 4116400, 5762960, 7203700, 14407400, 28814800]

約数ペア:

[(1, 28814800), (2, 14407400), (4, 7203700), (5, 5762960), (7, 4116400), (8, 3601850), (10, 2881480), (14, 2058200), (16, 1800925), (20, 1440740), (25, 1152592), (28, 1029100), (35, 823280), (40, 720370), (41, 702800), (50, 576296), (56, 514550), (70, 411640), (80, 360185), (82, 351400), (100, 288148), (112, 257275), (140, 205820), (164, 175700), (175, 164656), (200, 144074), (205, 140560), (251, 114800), (280, 102910), (287, 100400), (328, 87850), (350, 82328), (400, 72037), (410, 70280), (502, 57400), (560, 51455), (574, 50200), (656, 43925), (700, 41164), (820, 35140), (1004, 28700), (1025, 28112), (1148, 25100), (1255, 22960), (1400, 20582), (1435, 20080), (1640, 17570), (1757, 16400), (2008, 14350), (2050, 14056), (2296, 12550), (2510, 11480), (2800, 10291), (2870, 10040), (3280, 8785), (3514, 8200), (4016, 7175), (4100, 7028), (4592, 6275), (5020, 5740)]