390377680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 1142784000

約数和(自身を除く): 752406320

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, 127, 140, 154, 176, 220, 254, 280, 308, 385, 440, 499, 508, 560, 616, 635, 770, 880, 889, 998, 1016, 1232, 1270, 1397, 1540, 1778, 1996, 2032, 2495, 2540, 2794, 3080, 3493, 3556, 3992, 4445, 4990, 5080, 5489, 5588, 6160, 6985, 6986, 7112, 7984, 8890, 9779, 9980, 10160, 10978, 11176, 13970, 13972, 14224, 17465, 17780, 19558, 19960, 21956, 22352, 27445, 27940, 27944, 34930, 35560, 38423, 39116, 39920, 43912, 48895, 54890, 55880, 55888, 63373, 69860, 71120, 76846, 78232, 87824, 97790, 109780, 111760, 126746, 139720, 153692, 156464, 192115, 195580, 219560, 253492, 279440, 307384, 316865, 384230, 391160, 439120, 443611, 506984, 614768, 633730, 697103, 768460, 782320, 887222, 1013968, 1267460, 1394206, 1536920, 1774444, 2218055, 2534920, 2788412, 3073840, 3485515, 3548888, 4436110, 4879721, 5069840, 5576824, 6971030, 7097776, 8872220, 9759442, 11153648, 13942060, 17744440, 19518884, 24398605, 27884120, 35488880, 39037768, 48797210, 55768240, 78075536, 97594420, 195188840, 390377680]

約数ペア:

[(1, 390377680), (2, 195188840), (4, 97594420), (5, 78075536), (7, 55768240), (8, 48797210), (10, 39037768), (11, 35488880), (14, 27884120), (16, 24398605), (20, 19518884), (22, 17744440), (28, 13942060), (35, 11153648), (40, 9759442), (44, 8872220), (55, 7097776), (56, 6971030), (70, 5576824), (77, 5069840), (80, 4879721), (88, 4436110), (110, 3548888), (112, 3485515), (127, 3073840), (140, 2788412), (154, 2534920), (176, 2218055), (220, 1774444), (254, 1536920), (280, 1394206), (308, 1267460), (385, 1013968), (440, 887222), (499, 782320), (508, 768460), (560, 697103), (616, 633730), (635, 614768), (770, 506984), (880, 443611), (889, 439120), (998, 391160), (1016, 384230), (1232, 316865), (1270, 307384), (1397, 279440), (1540, 253492), (1778, 219560), (1996, 195580), (2032, 192115), (2495, 156464), (2540, 153692), (2794, 139720), (3080, 126746), (3493, 111760), (3556, 109780), (3992, 97790), (4445, 87824), (4990, 78232), (5080, 76846), (5489, 71120), (5588, 69860), (6160, 63373), (6985, 55888), (6986, 55880), (7112, 54890), (7984, 48895), (8890, 43912), (9779, 39920), (9980, 39116), (10160, 38423), (10978, 35560), (11176, 34930), (13970, 27944), (13972, 27940), (14224, 27445), (17465, 22352), (17780, 21956), (19558, 19960)]