205228920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{449}}^1$

素因数の和:769

約数の個数: 128

約数和(自身を含む): 666792000

約数和(自身を除く): 461563080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 293, 312, 390, 449, 520, 586, 780, 879, 898, 1172, 1347, 1465, 1560, 1758, 1796, 2245, 2344, 2694, 2930, 3516, 3592, 3809, 4395, 4490, 5388, 5837, 5860, 6735, 7032, 7618, 8790, 8980, 10776, 11427, 11674, 11720, 13470, 15236, 17511, 17580, 17960, 19045, 22854, 23348, 26940, 29185, 30472, 35022, 35160, 38090, 45708, 46696, 53880, 57135, 58370, 70044, 76180, 87555, 91416, 114270, 116740, 131557, 140088, 152360, 175110, 228540, 233480, 263114, 350220, 394671, 457080, 526228, 657785, 700440, 789342, 1052456, 1315570, 1578684, 1710241, 1973355, 2631140, 3157368, 3420482, 3946710, 5130723, 5262280, 6840964, 7893420, 8551205, 10261446, 13681928, 15786840, 17102410, 20522892, 25653615, 34204820, 41045784, 51307230, 68409640, 102614460, 205228920]

約数ペア:

[(1, 205228920), (2, 102614460), (3, 68409640), (4, 51307230), (5, 41045784), (6, 34204820), (8, 25653615), (10, 20522892), (12, 17102410), (13, 15786840), (15, 13681928), (20, 10261446), (24, 8551205), (26, 7893420), (30, 6840964), (39, 5262280), (40, 5130723), (52, 3946710), (60, 3420482), (65, 3157368), (78, 2631140), (104, 1973355), (120, 1710241), (130, 1578684), (156, 1315570), (195, 1052456), (260, 789342), (293, 700440), (312, 657785), (390, 526228), (449, 457080), (520, 394671), (586, 350220), (780, 263114), (879, 233480), (898, 228540), (1172, 175110), (1347, 152360), (1465, 140088), (1560, 131557), (1758, 116740), (1796, 114270), (2245, 91416), (2344, 87555), (2694, 76180), (2930, 70044), (3516, 58370), (3592, 57135), (3809, 53880), (4395, 46696), (4490, 45708), (5388, 38090), (5837, 35160), (5860, 35022), (6735, 30472), (7032, 29185), (7618, 26940), (8790, 23348), (8980, 22854), (10776, 19045), (11427, 17960), (11674, 17580), (11720, 17511), (13470, 15236)]