256319904

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 711051264

約数和(自身を除く): 454731360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 86, 93, 96, 124, 129, 172, 186, 248, 258, 344, 372, 496, 516, 688, 744, 992, 1032, 1333, 1376, 1488, 2003, 2064, 2666, 2976, 3999, 4006, 4128, 5332, 6009, 7998, 8012, 10664, 12018, 15996, 16024, 21328, 24036, 31992, 32048, 42656, 48072, 62093, 63984, 64096, 86129, 96144, 124186, 127968, 172258, 186279, 192288, 248372, 258387, 344516, 372558, 496744, 516774, 689032, 745116, 993488, 1033548, 1378064, 1490232, 1986976, 2067096, 2669999, 2756128, 2980464, 4134192, 5339998, 5960928, 8009997, 8268384, 10679996, 16019994, 21359992, 32039988, 42719984, 64079976, 85439968, 128159952, 256319904]

約数ペア:

[(1, 256319904), (2, 128159952), (3, 85439968), (4, 64079976), (6, 42719984), (8, 32039988), (12, 21359992), (16, 16019994), (24, 10679996), (31, 8268384), (32, 8009997), (43, 5960928), (48, 5339998), (62, 4134192), (86, 2980464), (93, 2756128), (96, 2669999), (124, 2067096), (129, 1986976), (172, 1490232), (186, 1378064), (248, 1033548), (258, 993488), (344, 745116), (372, 689032), (496, 516774), (516, 496744), (688, 372558), (744, 344516), (992, 258387), (1032, 248372), (1333, 192288), (1376, 186279), (1488, 172258), (2003, 127968), (2064, 124186), (2666, 96144), (2976, 86129), (3999, 64096), (4006, 63984), (4128, 62093), (5332, 48072), (6009, 42656), (7998, 32048), (8012, 31992), (10664, 24036), (12018, 21328), (15996, 16024)]