70727620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 151901568

約数和(自身を除く): 81173948

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 311, 332, 415, 548, 622, 685, 830, 1244, 1370, 1555, 1660, 2740, 3110, 6220, 11371, 22742, 25813, 42607, 45484, 51626, 56855, 85214, 103252, 113710, 129065, 170428, 213035, 227420, 258130, 426070, 516260, 852140, 3536381, 7072762, 14145524, 17681905, 35363810, 70727620]

約数ペア:

[(1, 70727620), (2, 35363810), (4, 17681905), (5, 14145524), (10, 7072762), (20, 3536381), (83, 852140), (137, 516260), (166, 426070), (274, 258130), (311, 227420), (332, 213035), (415, 170428), (548, 129065), (622, 113710), (685, 103252), (830, 85214), (1244, 56855), (1370, 51626), (1555, 45484), (1660, 42607), (2740, 25813), (3110, 22742), (6220, 11371)]