209640216

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 573350400

約数和(自身を除く): 363710184

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 41, 46, 59, 69, 82, 92, 118, 123, 138, 157, 164, 177, 184, 236, 246, 276, 314, 328, 354, 471, 472, 492, 552, 628, 708, 942, 943, 984, 1256, 1357, 1416, 1884, 1886, 2419, 2714, 2829, 3611, 3768, 3772, 4071, 4838, 5428, 5658, 6437, 7222, 7257, 7544, 8142, 9263, 9676, 10833, 10856, 11316, 12874, 14444, 14514, 16284, 18526, 19311, 19352, 21666, 22632, 25748, 27789, 28888, 29028, 32568, 37052, 38622, 43332, 51496, 55578, 55637, 58056, 74104, 77244, 86664, 111156, 111274, 148051, 154488, 166911, 213049, 222312, 222548, 296102, 333822, 379783, 426098, 444153, 445096, 592204, 639147, 667644, 759566, 852196, 888306, 1139349, 1184408, 1278294, 1335288, 1519132, 1704392, 1776612, 2278698, 2556588, 3038264, 3553224, 4557396, 5113176, 8735009, 9114792, 17470018, 26205027, 34940036, 52410054, 69880072, 104820108, 209640216]

約数ペア:

[(1, 209640216), (2, 104820108), (3, 69880072), (4, 52410054), (6, 34940036), (8, 26205027), (12, 17470018), (23, 9114792), (24, 8735009), (41, 5113176), (46, 4557396), (59, 3553224), (69, 3038264), (82, 2556588), (92, 2278698), (118, 1776612), (123, 1704392), (138, 1519132), (157, 1335288), (164, 1278294), (177, 1184408), (184, 1139349), (236, 888306), (246, 852196), (276, 759566), (314, 667644), (328, 639147), (354, 592204), (471, 445096), (472, 444153), (492, 426098), (552, 379783), (628, 333822), (708, 296102), (942, 222548), (943, 222312), (984, 213049), (1256, 166911), (1357, 154488), (1416, 148051), (1884, 111274), (1886, 111156), (2419, 86664), (2714, 77244), (2829, 74104), (3611, 58056), (3768, 55637), (3772, 55578), (4071, 51496), (4838, 43332), (5428, 38622), (5658, 37052), (6437, 32568), (7222, 29028), (7257, 28888), (7544, 27789), (8142, 25748), (9263, 22632), (9676, 21666), (10833, 19352), (10856, 19311), (11316, 18526), (12874, 16284), (14444, 14514)]