257719344

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 714329280

約数和(自身を除く): 456609936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 107, 114, 139, 152, 214, 228, 278, 304, 321, 361, 417, 428, 456, 556, 642, 722, 834, 856, 912, 1083, 1112, 1284, 1444, 1668, 1712, 2033, 2166, 2224, 2568, 2641, 2888, 3336, 4066, 4332, 5136, 5282, 5776, 6099, 6672, 7923, 8132, 8664, 10564, 12198, 14873, 15846, 16264, 17328, 21128, 24396, 29746, 31692, 32528, 38627, 42256, 44619, 48792, 50179, 59492, 63384, 77254, 89238, 97584, 100358, 115881, 118984, 126768, 150537, 154508, 178476, 200716, 231762, 237968, 282587, 301074, 309016, 356952, 401432, 463524, 565174, 602148, 618032, 713904, 802864, 847761, 927048, 1130348, 1204296, 1695522, 1854096, 2260696, 2408592, 3391044, 4521392, 5369153, 6782088, 10738306, 13564176, 16107459, 21476612, 32214918, 42953224, 64429836, 85906448, 128859672, 257719344]

約数ペア:

[(1, 257719344), (2, 128859672), (3, 85906448), (4, 64429836), (6, 42953224), (8, 32214918), (12, 21476612), (16, 16107459), (19, 13564176), (24, 10738306), (38, 6782088), (48, 5369153), (57, 4521392), (76, 3391044), (107, 2408592), (114, 2260696), (139, 1854096), (152, 1695522), (214, 1204296), (228, 1130348), (278, 927048), (304, 847761), (321, 802864), (361, 713904), (417, 618032), (428, 602148), (456, 565174), (556, 463524), (642, 401432), (722, 356952), (834, 309016), (856, 301074), (912, 282587), (1083, 237968), (1112, 231762), (1284, 200716), (1444, 178476), (1668, 154508), (1712, 150537), (2033, 126768), (2166, 118984), (2224, 115881), (2568, 100358), (2641, 97584), (2888, 89238), (3336, 77254), (4066, 63384), (4332, 59492), (5136, 50179), (5282, 48792), (5776, 44619), (6099, 42256), (6672, 38627), (7923, 32528), (8132, 31692), (8664, 29746), (10564, 24396), (12198, 21128), (14873, 17328), (15846, 16264)]