205179985

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 260467200

約数和(自身を除く): 55287215

約数列:

[1, 5, 37, 79, 101, 139, 185, 395, 505, 695, 2923, 3737, 5143, 7979, 10981, 14039, 14615, 18685, 25715, 39895, 54905, 70195, 295223, 406297, 519443, 1109081, 1476115, 2031485, 2597215, 5545405, 41035997, 205179985]

約数ペア:

[(1, 205179985), (5, 41035997), (37, 5545405), (79, 2597215), (101, 2031485), (139, 1476115), (185, 1109081), (395, 519443), (505, 406297), (695, 295223), (2923, 70195), (3737, 54905), (5143, 39895), (7979, 25715), (10981, 18685), (14039, 14615)]