285043220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{683}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 750145536

約数和(自身を除く): 465102316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 271, 308, 385, 542, 683, 770, 1084, 1355, 1366, 1540, 1897, 2710, 2732, 2981, 3415, 3794, 4781, 5420, 5962, 6830, 7513, 7588, 9485, 9562, 11924, 13660, 14905, 15026, 18970, 19124, 20867, 23905, 29810, 30052, 37565, 37940, 41734, 47810, 52591, 59620, 75130, 83468, 95620, 104335, 105182, 150260, 185093, 208670, 210364, 262955, 370186, 417340, 525910, 740372, 925465, 1051820, 1295651, 1850930, 2036023, 2591302, 3701860, 4072046, 5182604, 6478255, 8144092, 10180115, 12956510, 14252161, 20360230, 25913020, 28504322, 40720460, 57008644, 71260805, 142521610, 285043220]

約数ペア:

[(1, 285043220), (2, 142521610), (4, 71260805), (5, 57008644), (7, 40720460), (10, 28504322), (11, 25913020), (14, 20360230), (20, 14252161), (22, 12956510), (28, 10180115), (35, 8144092), (44, 6478255), (55, 5182604), (70, 4072046), (77, 3701860), (110, 2591302), (140, 2036023), (154, 1850930), (220, 1295651), (271, 1051820), (308, 925465), (385, 740372), (542, 525910), (683, 417340), (770, 370186), (1084, 262955), (1355, 210364), (1366, 208670), (1540, 185093), (1897, 150260), (2710, 105182), (2732, 104335), (2981, 95620), (3415, 83468), (3794, 75130), (4781, 59620), (5420, 52591), (5962, 47810), (6830, 41734), (7513, 37940), (7588, 37565), (9485, 30052), (9562, 29810), (11924, 23905), (13660, 20867), (14905, 19124), (15026, 18970)]