122735420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 263668608

約数和(自身を除く): 140933188

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 166, 214, 332, 415, 428, 535, 691, 830, 1070, 1382, 1660, 2140, 2764, 3455, 6910, 8881, 13820, 17762, 35524, 44405, 57353, 73937, 88810, 114706, 147874, 177620, 229412, 286765, 295748, 369685, 573530, 739370, 1147060, 1478740, 6136771, 12273542, 24547084, 30683855, 61367710, 122735420]

約数ペア:

[(1, 122735420), (2, 61367710), (4, 30683855), (5, 24547084), (10, 12273542), (20, 6136771), (83, 1478740), (107, 1147060), (166, 739370), (214, 573530), (332, 369685), (415, 295748), (428, 286765), (535, 229412), (691, 177620), (830, 147874), (1070, 114706), (1382, 88810), (1660, 73937), (2140, 57353), (2764, 44405), (3455, 35524), (6910, 17762), (8881, 13820)]