245449848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 730667520

約数和(自身を除く): 485217672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 61, 84, 86, 122, 129, 168, 172, 183, 244, 258, 301, 344, 366, 427, 488, 516, 557, 602, 732, 854, 903, 1032, 1114, 1204, 1281, 1464, 1671, 1708, 1806, 2228, 2408, 2562, 2623, 3342, 3416, 3612, 3899, 4456, 5124, 5246, 6684, 7224, 7798, 7869, 10248, 10492, 11697, 13368, 15596, 15738, 18361, 20984, 23394, 23951, 31192, 31476, 33977, 36722, 46788, 47902, 55083, 62952, 67954, 71853, 73444, 93576, 95804, 101931, 110166, 135908, 143706, 146888, 167657, 191608, 203862, 220332, 237839, 271816, 287412, 335314, 407724, 440664, 475678, 502971, 574824, 670628, 713517, 815448, 951356, 1005942, 1341256, 1427034, 1461011, 1902712, 2011884, 2854068, 2922022, 4023768, 4383033, 5708136, 5844044, 8766066, 10227077, 11688088, 17532132, 20454154, 30681231, 35064264, 40908308, 61362462, 81816616, 122724924, 245449848]

約数ペア:

[(1, 245449848), (2, 122724924), (3, 81816616), (4, 61362462), (6, 40908308), (7, 35064264), (8, 30681231), (12, 20454154), (14, 17532132), (21, 11688088), (24, 10227077), (28, 8766066), (42, 5844044), (43, 5708136), (56, 4383033), (61, 4023768), (84, 2922022), (86, 2854068), (122, 2011884), (129, 1902712), (168, 1461011), (172, 1427034), (183, 1341256), (244, 1005942), (258, 951356), (301, 815448), (344, 713517), (366, 670628), (427, 574824), (488, 502971), (516, 475678), (557, 440664), (602, 407724), (732, 335314), (854, 287412), (903, 271816), (1032, 237839), (1114, 220332), (1204, 203862), (1281, 191608), (1464, 167657), (1671, 146888), (1708, 143706), (1806, 135908), (2228, 110166), (2408, 101931), (2562, 95804), (2623, 93576), (3342, 73444), (3416, 71853), (3612, 67954), (3899, 62952), (4456, 55083), (5124, 47902), (5246, 46788), (6684, 36722), (7224, 33977), (7798, 31476), (7869, 31192), (10248, 23951), (10492, 23394), (11697, 20984), (13368, 18361), (15596, 15738)]