888950720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20887}}^1$

素因数の和:20930

約数の個数: 112

約数和(自身を含む): 2546664960

約数和(自身を除く): 1657714240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 20887, 21280, 41774, 42560, 83548, 104435, 146209, 167096, 208870, 292418, 334192, 396853, 417740, 584836, 668384, 731045, 793706, 835480, 1169672, 1336768, 1462090, 1587412, 1670960, 1984265, 2339344, 2777971, 2924180, 3174824, 3341920, 3968530, 4678688, 5555942, 5848360, 6349648, 6683840, 7937060, 9357376, 11111884, 11696720, 12699296, 13889855, 15874120, 22223768, 23393440, 25398592, 27779710, 31748240, 44447536, 46786880, 55559420, 63496480, 88895072, 111118840, 126992960, 177790144, 222237680, 444475360, 888950720]

約数ペア:

[(1, 888950720), (2, 444475360), (4, 222237680), (5, 177790144), (7, 126992960), (8, 111118840), (10, 88895072), (14, 63496480), (16, 55559420), (19, 46786880), (20, 44447536), (28, 31748240), (32, 27779710), (35, 25398592), (38, 23393440), (40, 22223768), (56, 15874120), (64, 13889855), (70, 12699296), (76, 11696720), (80, 11111884), (95, 9357376), (112, 7937060), (133, 6683840), (140, 6349648), (152, 5848360), (160, 5555942), (190, 4678688), (224, 3968530), (266, 3341920), (280, 3174824), (304, 2924180), (320, 2777971), (380, 2339344), (448, 1984265), (532, 1670960), (560, 1587412), (608, 1462090), (665, 1336768), (760, 1169672), (1064, 835480), (1120, 793706), (1216, 731045), (1330, 668384), (1520, 584836), (2128, 417740), (2240, 396853), (2660, 334192), (3040, 292418), (4256, 208870), (5320, 167096), (6080, 146209), (8512, 104435), (10640, 83548), (20887, 42560), (21280, 41774)]