208055980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11971}}^1$

素因数の和:12070

約数の個数: 48

約数和(自身を含む): 482711040

約数和(自身を除く): 274655060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 11971, 17380, 23942, 47884, 59855, 119710, 131681, 239420, 263362, 526724, 658405, 945709, 1316810, 1891418, 2633620, 3782836, 4728545, 9457090, 10402799, 18914180, 20805598, 41611196, 52013995, 104027990, 208055980]

約数ペア:

[(1, 208055980), (2, 104027990), (4, 52013995), (5, 41611196), (10, 20805598), (11, 18914180), (20, 10402799), (22, 9457090), (44, 4728545), (55, 3782836), (79, 2633620), (110, 1891418), (158, 1316810), (220, 945709), (316, 658405), (395, 526724), (790, 263362), (869, 239420), (1580, 131681), (1738, 119710), (3476, 59855), (4345, 47884), (8690, 23942), (11971, 17380)]