55278130

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 101257776

約数和(自身を除く): 45979646

約数列:

[1, 2, 5, 10, 137, 157, 257, 274, 314, 514, 685, 785, 1285, 1370, 1570, 2570, 21509, 35209, 40349, 43018, 70418, 80698, 107545, 176045, 201745, 215090, 352090, 403490, 5527813, 11055626, 27639065, 55278130]

約数ペア:

[(1, 55278130), (2, 27639065), (5, 11055626), (10, 5527813), (137, 403490), (157, 352090), (257, 215090), (274, 201745), (314, 176045), (514, 107545), (685, 80698), (785, 70418), (1285, 43018), (1370, 40349), (1570, 35209), (2570, 21509)]