399580720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5897}}^1$

素因数の和:5939

約数の個数: 120

約数和(自身を含む): 1167237792

約数和(自身を除く): 767657072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 2420, 3080, 3388, 4235, 4840, 5897, 6160, 6776, 8470, 9680, 11794, 13552, 16940, 23588, 29485, 33880, 41279, 47176, 58970, 64867, 67760, 82558, 94352, 117940, 129734, 165116, 206395, 235880, 259468, 324335, 330232, 412790, 454069, 471760, 518936, 648670, 660464, 713537, 825580, 908138, 1037872, 1297340, 1427074, 1651160, 1816276, 2270345, 2594680, 2854148, 3302320, 3567685, 3632552, 4540690, 4994759, 5189360, 5708296, 7135370, 7265104, 9081380, 9989518, 11416592, 14270740, 18162760, 19979036, 24973795, 28541480, 36325520, 39958072, 49947590, 57082960, 79916144, 99895180, 199790360, 399580720]

約数ペア:

[(1, 399580720), (2, 199790360), (4, 99895180), (5, 79916144), (7, 57082960), (8, 49947590), (10, 39958072), (11, 36325520), (14, 28541480), (16, 24973795), (20, 19979036), (22, 18162760), (28, 14270740), (35, 11416592), (40, 9989518), (44, 9081380), (55, 7265104), (56, 7135370), (70, 5708296), (77, 5189360), (80, 4994759), (88, 4540690), (110, 3632552), (112, 3567685), (121, 3302320), (140, 2854148), (154, 2594680), (176, 2270345), (220, 1816276), (242, 1651160), (280, 1427074), (308, 1297340), (385, 1037872), (440, 908138), (484, 825580), (560, 713537), (605, 660464), (616, 648670), (770, 518936), (847, 471760), (880, 454069), (968, 412790), (1210, 330232), (1232, 324335), (1540, 259468), (1694, 235880), (1936, 206395), (2420, 165116), (3080, 129734), (3388, 117940), (4235, 94352), (4840, 82558), (5897, 67760), (6160, 64867), (6776, 58970), (8470, 47176), (9680, 41279), (11794, 33880), (13552, 29485), (16940, 23588)]