206850640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 496539648

約数和(自身を除く): 289689008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 157, 172, 215, 314, 344, 383, 430, 628, 688, 766, 785, 860, 1256, 1532, 1570, 1720, 1915, 2512, 3064, 3140, 3440, 3830, 6128, 6280, 6751, 7660, 12560, 13502, 15320, 16469, 27004, 30640, 32938, 33755, 54008, 60131, 65876, 67510, 82345, 108016, 120262, 131752, 135020, 164690, 240524, 263504, 270040, 300655, 329380, 481048, 540080, 601310, 658760, 962096, 1202620, 1317520, 2405240, 2585633, 4810480, 5171266, 10342532, 12928165, 20685064, 25856330, 41370128, 51712660, 103425320, 206850640]

約数ペア:

[(1, 206850640), (2, 103425320), (4, 51712660), (5, 41370128), (8, 25856330), (10, 20685064), (16, 12928165), (20, 10342532), (40, 5171266), (43, 4810480), (80, 2585633), (86, 2405240), (157, 1317520), (172, 1202620), (215, 962096), (314, 658760), (344, 601310), (383, 540080), (430, 481048), (628, 329380), (688, 300655), (766, 270040), (785, 263504), (860, 240524), (1256, 164690), (1532, 135020), (1570, 131752), (1720, 120262), (1915, 108016), (2512, 82345), (3064, 67510), (3140, 65876), (3440, 60131), (3830, 54008), (6128, 33755), (6280, 32938), (6751, 30640), (7660, 27004), (12560, 16469), (13502, 15320)]