254189832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 724792320

約数和(自身を除く): 470602488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 41, 52, 62, 78, 82, 93, 104, 123, 124, 156, 164, 186, 246, 248, 312, 328, 372, 403, 492, 533, 641, 744, 806, 984, 1066, 1209, 1271, 1282, 1599, 1612, 1923, 2132, 2418, 2542, 2564, 3198, 3224, 3813, 3846, 4264, 4836, 5084, 5128, 6396, 7626, 7692, 8333, 9672, 10168, 12792, 15252, 15384, 16523, 16666, 19871, 24999, 26281, 30504, 33046, 33332, 39742, 49569, 49998, 52562, 59613, 66092, 66664, 78843, 79484, 99138, 99996, 105124, 119226, 132184, 157686, 158968, 198276, 199992, 210248, 238452, 258323, 315372, 341653, 396552, 476904, 516646, 630744, 683306, 774969, 814711, 1024959, 1033292, 1366612, 1549938, 1629422, 2049918, 2066584, 2444133, 2733224, 3099876, 3258844, 4099836, 4888266, 6199752, 6517688, 8199672, 9776532, 10591243, 19553064, 21182486, 31773729, 42364972, 63547458, 84729944, 127094916, 254189832]

約数ペア:

[(1, 254189832), (2, 127094916), (3, 84729944), (4, 63547458), (6, 42364972), (8, 31773729), (12, 21182486), (13, 19553064), (24, 10591243), (26, 9776532), (31, 8199672), (39, 6517688), (41, 6199752), (52, 4888266), (62, 4099836), (78, 3258844), (82, 3099876), (93, 2733224), (104, 2444133), (123, 2066584), (124, 2049918), (156, 1629422), (164, 1549938), (186, 1366612), (246, 1033292), (248, 1024959), (312, 814711), (328, 774969), (372, 683306), (403, 630744), (492, 516646), (533, 476904), (641, 396552), (744, 341653), (806, 315372), (984, 258323), (1066, 238452), (1209, 210248), (1271, 199992), (1282, 198276), (1599, 158968), (1612, 157686), (1923, 132184), (2132, 119226), (2418, 105124), (2542, 99996), (2564, 99138), (3198, 79484), (3224, 78843), (3813, 66664), (3846, 66092), (4264, 59613), (4836, 52562), (5084, 49998), (5128, 49569), (6396, 39742), (7626, 33332), (7692, 33046), (8333, 30504), (9672, 26281), (10168, 24999), (12792, 19871), (15252, 16666), (15384, 16523)]