400027968

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 168

約数和(自身を含む): 1213445376

約数和(自身を除く): 813417408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 62, 64, 72, 86, 93, 96, 124, 129, 144, 172, 186, 192, 248, 258, 279, 288, 344, 372, 387, 496, 516, 521, 558, 576, 688, 744, 774, 992, 1032, 1042, 1116, 1333, 1376, 1488, 1548, 1563, 1984, 2064, 2084, 2232, 2666, 2752, 2976, 3096, 3126, 3999, 4128, 4168, 4464, 4689, 5332, 5952, 6192, 6252, 7998, 8256, 8336, 8928, 9378, 10664, 11997, 12384, 12504, 15996, 16151, 16672, 17856, 18756, 21328, 22403, 23994, 24768, 25008, 31992, 32302, 33344, 37512, 42656, 44806, 47988, 48453, 50016, 63984, 64604, 67209, 75024, 85312, 89612, 95976, 96906, 100032, 127968, 129208, 134418, 145359, 150048, 179224, 191952, 193812, 201627, 255936, 258416, 268836, 290718, 300096, 358448, 383904, 387624, 403254, 516832, 537672, 581436, 694493, 716896, 767808, 775248, 806508, 1033664, 1075344, 1162872, 1388986, 1433792, 1550496, 1613016, 2083479, 2150688, 2325744, 2777972, 3100992, 3226032, 4166958, 4301376, 4651488, 5555944, 6250437, 6452064, 8333916, 9302976, 11111888, 12500874, 12904128, 16667832, 22223776, 25001748, 33335664, 44447552, 50003496, 66671328, 100006992, 133342656, 200013984, 400027968]

約数ペア:

[(1, 400027968), (2, 200013984), (3, 133342656), (4, 100006992), (6, 66671328), (8, 50003496), (9, 44447552), (12, 33335664), (16, 25001748), (18, 22223776), (24, 16667832), (31, 12904128), (32, 12500874), (36, 11111888), (43, 9302976), (48, 8333916), (62, 6452064), (64, 6250437), (72, 5555944), (86, 4651488), (93, 4301376), (96, 4166958), (124, 3226032), (129, 3100992), (144, 2777972), (172, 2325744), (186, 2150688), (192, 2083479), (248, 1613016), (258, 1550496), (279, 1433792), (288, 1388986), (344, 1162872), (372, 1075344), (387, 1033664), (496, 806508), (516, 775248), (521, 767808), (558, 716896), (576, 694493), (688, 581436), (744, 537672), (774, 516832), (992, 403254), (1032, 387624), (1042, 383904), (1116, 358448), (1333, 300096), (1376, 290718), (1488, 268836), (1548, 258416), (1563, 255936), (1984, 201627), (2064, 193812), (2084, 191952), (2232, 179224), (2666, 150048), (2752, 145359), (2976, 134418), (3096, 129208), (3126, 127968), (3999, 100032), (4128, 96906), (4168, 95976), (4464, 89612), (4689, 85312), (5332, 75024), (5952, 67209), (6192, 64604), (6252, 63984), (7998, 50016), (8256, 48453), (8336, 47988), (8928, 44806), (9378, 42656), (10664, 37512), (11997, 33344), (12384, 32302), (12504, 31992), (15996, 25008), (16151, 24768), (16672, 23994), (17856, 22403), (18756, 21328)]