256586190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17209}}^1$

素因数の和:17297

約数の個数: 64

約数和(自身を含む): 713733120

約数和(自身を除く): 457146930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 14910, 17209, 34418, 51627, 86045, 103254, 120463, 172090, 240926, 258135, 361389, 516270, 602315, 722778, 1204630, 1221839, 1806945, 2443678, 3613890, 3665517, 6109195, 7331034, 8552873, 12218390, 17105746, 18327585, 25658619, 36655170, 42764365, 51317238, 85528730, 128293095, 256586190]

約数ペア:

[(1, 256586190), (2, 128293095), (3, 85528730), (5, 51317238), (6, 42764365), (7, 36655170), (10, 25658619), (14, 18327585), (15, 17105746), (21, 12218390), (30, 8552873), (35, 7331034), (42, 6109195), (70, 3665517), (71, 3613890), (105, 2443678), (142, 1806945), (210, 1221839), (213, 1204630), (355, 722778), (426, 602315), (497, 516270), (710, 361389), (994, 258135), (1065, 240926), (1491, 172090), (2130, 120463), (2485, 103254), (2982, 86045), (4970, 51627), (7455, 34418), (14910, 17209)]