2181200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 6457920

約数和(自身を除く): 4276720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 41, 50, 56, 70, 76, 80, 82, 95, 100, 112, 133, 140, 152, 164, 175, 190, 200, 205, 266, 280, 287, 304, 328, 350, 380, 400, 410, 475, 532, 560, 574, 656, 665, 700, 760, 779, 820, 950, 1025, 1064, 1148, 1330, 1400, 1435, 1520, 1558, 1640, 1900, 2050, 2128, 2296, 2660, 2800, 2870, 3116, 3280, 3325, 3800, 3895, 4100, 4592, 5320, 5453, 5740, 6232, 6650, 7175, 7600, 7790, 8200, 10640, 10906, 11480, 12464, 13300, 14350, 15580, 16400, 19475, 21812, 22960, 26600, 27265, 28700, 31160, 38950, 43624, 53200, 54530, 57400, 62320, 77900, 87248, 109060, 114800, 136325, 155800, 218120, 272650, 311600, 436240, 545300, 1090600, 2181200]

約数ペア:

[(1, 2181200), (2, 1090600), (4, 545300), (5, 436240), (7, 311600), (8, 272650), (10, 218120), (14, 155800), (16, 136325), (19, 114800), (20, 109060), (25, 87248), (28, 77900), (35, 62320), (38, 57400), (40, 54530), (41, 53200), (50, 43624), (56, 38950), (70, 31160), (76, 28700), (80, 27265), (82, 26600), (95, 22960), (100, 21812), (112, 19475), (133, 16400), (140, 15580), (152, 14350), (164, 13300), (175, 12464), (190, 11480), (200, 10906), (205, 10640), (266, 8200), (280, 7790), (287, 7600), (304, 7175), (328, 6650), (350, 6232), (380, 5740), (400, 5453), (410, 5320), (475, 4592), (532, 4100), (560, 3895), (574, 3800), (656, 3325), (665, 3280), (700, 3116), (760, 2870), (779, 2800), (820, 2660), (950, 2296), (1025, 2128), (1064, 2050), (1148, 1900), (1330, 1640), (1400, 1558), (1435, 1520)]