208944240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870601}}^1$

素因数の和:870617

約数の個数: 40

約数和(自身を含む): 647727888

約数和(自身を除く): 438783648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870601, 1741202, 2611803, 3482404, 4353005, 5223606, 6964808, 8706010, 10447212, 13059015, 13929616, 17412020, 20894424, 26118030, 34824040, 41788848, 52236060, 69648080, 104472120, 208944240]

約数ペア:

[(1, 208944240), (2, 104472120), (3, 69648080), (4, 52236060), (5, 41788848), (6, 34824040), (8, 26118030), (10, 20894424), (12, 17412020), (15, 13929616), (16, 13059015), (20, 10447212), (24, 8706010), (30, 6964808), (40, 5223606), (48, 4353005), (60, 3482404), (80, 2611803), (120, 1741202), (240, 870601)]