139394950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 276410880

約数和(自身を除く): 137015930

約数列:

[1, 2, 5, 10, 23, 25, 46, 47, 50, 94, 115, 230, 235, 470, 575, 1081, 1150, 1175, 2162, 2350, 2579, 5158, 5405, 10810, 12895, 25790, 27025, 54050, 59317, 64475, 118634, 121213, 128950, 242426, 296585, 593170, 606065, 1212130, 1482925, 2787899, 2965850, 3030325, 5575798, 6060650, 13939495, 27878990, 69697475, 139394950]

約数ペア:

[(1, 139394950), (2, 69697475), (5, 27878990), (10, 13939495), (23, 6060650), (25, 5575798), (46, 3030325), (47, 2965850), (50, 2787899), (94, 1482925), (115, 1212130), (230, 606065), (235, 593170), (470, 296585), (575, 242426), (1081, 128950), (1150, 121213), (1175, 118634), (2162, 64475), (2350, 59317), (2579, 54050), (5158, 27025), (5405, 25790), (10810, 12895)]