490475840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3172

約数の個数: 112

約数和(自身を含む): 1279702800

約数和(自身を除く): 789226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 320, 340, 464, 493, 544, 580, 680, 928, 986, 1088, 1160, 1360, 1856, 1972, 2320, 2465, 2720, 3109, 3944, 4640, 4930, 5440, 6218, 7888, 9280, 9860, 12436, 15545, 15776, 19720, 24872, 31090, 31552, 39440, 49744, 52853, 62180, 78880, 90161, 99488, 105706, 124360, 157760, 180322, 198976, 211412, 248720, 264265, 360644, 422824, 450805, 497440, 528530, 721288, 845648, 901610, 994880, 1057060, 1442576, 1532737, 1691296, 1803220, 2114120, 2885152, 3065474, 3382592, 3606440, 4228240, 5770304, 6130948, 7212880, 7663685, 8456480, 12261896, 14425760, 15327370, 16912960, 24523792, 28851520, 30654740, 49047584, 61309480, 98095168, 122618960, 245237920, 490475840]

約数ペア:

[(1, 490475840), (2, 245237920), (4, 122618960), (5, 98095168), (8, 61309480), (10, 49047584), (16, 30654740), (17, 28851520), (20, 24523792), (29, 16912960), (32, 15327370), (34, 14425760), (40, 12261896), (58, 8456480), (64, 7663685), (68, 7212880), (80, 6130948), (85, 5770304), (116, 4228240), (136, 3606440), (145, 3382592), (160, 3065474), (170, 2885152), (232, 2114120), (272, 1803220), (290, 1691296), (320, 1532737), (340, 1442576), (464, 1057060), (493, 994880), (544, 901610), (580, 845648), (680, 721288), (928, 528530), (986, 497440), (1088, 450805), (1160, 422824), (1360, 360644), (1856, 264265), (1972, 248720), (2320, 211412), (2465, 198976), (2720, 180322), (3109, 157760), (3944, 124360), (4640, 105706), (4930, 99488), (5440, 90161), (6218, 78880), (7888, 62180), (9280, 52853), (9860, 49744), (12436, 39440), (15545, 31552), (15776, 31090), (19720, 24872)]