51487240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 136560600

約数和(自身を除く): 85073360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 241, 245, 280, 392, 436, 482, 490, 545, 763, 872, 964, 980, 1090, 1205, 1526, 1687, 1928, 1960, 2180, 2410, 3052, 3374, 3815, 4360, 4820, 5341, 6104, 6748, 7630, 8435, 9640, 10682, 11809, 13496, 15260, 16870, 21364, 23618, 26269, 26705, 30520, 33740, 42728, 47236, 52538, 53410, 59045, 67480, 94472, 105076, 106820, 118090, 131345, 183883, 210152, 213640, 236180, 262690, 367766, 472360, 525380, 735532, 919415, 1050760, 1287181, 1471064, 1838830, 2574362, 3677660, 5148724, 6435905, 7355320, 10297448, 12871810, 25743620, 51487240]

約数ペア:

[(1, 51487240), (2, 25743620), (4, 12871810), (5, 10297448), (7, 7355320), (8, 6435905), (10, 5148724), (14, 3677660), (20, 2574362), (28, 1838830), (35, 1471064), (40, 1287181), (49, 1050760), (56, 919415), (70, 735532), (98, 525380), (109, 472360), (140, 367766), (196, 262690), (218, 236180), (241, 213640), (245, 210152), (280, 183883), (392, 131345), (436, 118090), (482, 106820), (490, 105076), (545, 94472), (763, 67480), (872, 59045), (964, 53410), (980, 52538), (1090, 47236), (1205, 42728), (1526, 33740), (1687, 30520), (1928, 26705), (1960, 26269), (2180, 23618), (2410, 21364), (3052, 16870), (3374, 15260), (3815, 13496), (4360, 11809), (4820, 10682), (5341, 9640), (6104, 8435), (6748, 7630)]