138405400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 388033200

約数和(自身を除く): 249627800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 290, 350, 392, 406, 487, 490, 580, 700, 725, 812, 974, 980, 1015, 1160, 1225, 1400, 1421, 1450, 1624, 1948, 1960, 2030, 2435, 2450, 2842, 2900, 3409, 3896, 4060, 4870, 4900, 5075, 5684, 5800, 6818, 7105, 8120, 9740, 9800, 10150, 11368, 12175, 13636, 14123, 14210, 17045, 19480, 20300, 23863, 24350, 27272, 28246, 28420, 34090, 35525, 40600, 47726, 48700, 56492, 56840, 68180, 70615, 71050, 85225, 95452, 97400, 98861, 112984, 119315, 136360, 141230, 142100, 170450, 190904, 197722, 238630, 282460, 284200, 340900, 353075, 395444, 477260, 494305, 564920, 596575, 681800, 692027, 706150, 790888, 954520, 988610, 1193150, 1384054, 1412300, 1977220, 2386300, 2471525, 2768108, 2824600, 3460135, 3954440, 4772600, 4943050, 5536216, 6920270, 9886100, 13840540, 17300675, 19772200, 27681080, 34601350, 69202700, 138405400]

約数ペア:

[(1, 138405400), (2, 69202700), (4, 34601350), (5, 27681080), (7, 19772200), (8, 17300675), (10, 13840540), (14, 9886100), (20, 6920270), (25, 5536216), (28, 4943050), (29, 4772600), (35, 3954440), (40, 3460135), (49, 2824600), (50, 2768108), (56, 2471525), (58, 2386300), (70, 1977220), (98, 1412300), (100, 1384054), (116, 1193150), (140, 988610), (145, 954520), (175, 790888), (196, 706150), (200, 692027), (203, 681800), (232, 596575), (245, 564920), (280, 494305), (290, 477260), (350, 395444), (392, 353075), (406, 340900), (487, 284200), (490, 282460), (580, 238630), (700, 197722), (725, 190904), (812, 170450), (974, 142100), (980, 141230), (1015, 136360), (1160, 119315), (1225, 112984), (1400, 98861), (1421, 97400), (1450, 95452), (1624, 85225), (1948, 71050), (1960, 70615), (2030, 68180), (2435, 56840), (2450, 56492), (2842, 48700), (2900, 47726), (3409, 40600), (3896, 35525), (4060, 34090), (4870, 28420), (4900, 28246), (5075, 27272), (5684, 24350), (5800, 23863), (6818, 20300), (7105, 19480), (8120, 17045), (9740, 14210), (9800, 14123), (10150, 13636), (11368, 12175)]