289042040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 767232000

約数和(自身を除く): 478189960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 79, 140, 146, 158, 179, 280, 292, 316, 358, 365, 395, 511, 553, 584, 632, 716, 730, 790, 895, 1022, 1106, 1253, 1432, 1460, 1580, 1790, 2044, 2212, 2506, 2555, 2765, 2920, 3160, 3580, 4088, 4424, 5012, 5110, 5530, 5767, 6265, 7160, 10024, 10220, 11060, 11534, 12530, 13067, 14141, 20440, 22120, 23068, 25060, 26134, 28282, 28835, 40369, 46136, 50120, 52268, 56564, 57670, 65335, 70705, 80738, 91469, 98987, 104536, 113128, 115340, 130670, 141410, 161476, 182938, 197974, 201845, 230680, 261340, 282820, 322952, 365876, 395948, 403690, 457345, 494935, 522680, 565640, 731752, 791896, 807380, 914690, 989870, 1032293, 1614760, 1829380, 1979740, 2064586, 3658760, 3959480, 4129172, 5161465, 7226051, 8258344, 10322930, 14452102, 20645860, 28904204, 36130255, 41291720, 57808408, 72260510, 144521020, 289042040]

約数ペア:

[(1, 289042040), (2, 144521020), (4, 72260510), (5, 57808408), (7, 41291720), (8, 36130255), (10, 28904204), (14, 20645860), (20, 14452102), (28, 10322930), (35, 8258344), (40, 7226051), (56, 5161465), (70, 4129172), (73, 3959480), (79, 3658760), (140, 2064586), (146, 1979740), (158, 1829380), (179, 1614760), (280, 1032293), (292, 989870), (316, 914690), (358, 807380), (365, 791896), (395, 731752), (511, 565640), (553, 522680), (584, 494935), (632, 457345), (716, 403690), (730, 395948), (790, 365876), (895, 322952), (1022, 282820), (1106, 261340), (1253, 230680), (1432, 201845), (1460, 197974), (1580, 182938), (1790, 161476), (2044, 141410), (2212, 130670), (2506, 115340), (2555, 113128), (2765, 104536), (2920, 98987), (3160, 91469), (3580, 80738), (4088, 70705), (4424, 65335), (5012, 57670), (5110, 56564), (5530, 52268), (5767, 50120), (6265, 46136), (7160, 40369), (10024, 28835), (10220, 28282), (11060, 26134), (11534, 25060), (12530, 23068), (13067, 22120), (14141, 20440)]