156663140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 334938240

約数和(自身を除く): 178275100

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 283, 311, 356, 445, 566, 622, 890, 1132, 1244, 1415, 1555, 1780, 2830, 3110, 5660, 6220, 25187, 27679, 50374, 55358, 88013, 100748, 110716, 125935, 138395, 176026, 251870, 276790, 352052, 440065, 503740, 553580, 880130, 1760260, 7833157, 15666314, 31332628, 39165785, 78331570, 156663140]

約数ペア:

[(1, 156663140), (2, 78331570), (4, 39165785), (5, 31332628), (10, 15666314), (20, 7833157), (89, 1760260), (178, 880130), (283, 553580), (311, 503740), (356, 440065), (445, 352052), (566, 276790), (622, 251870), (890, 176026), (1132, 138395), (1244, 125935), (1415, 110716), (1555, 100748), (1780, 88013), (2830, 55358), (3110, 50374), (5660, 27679), (6220, 25187)]