399328048

素因数分解:

$2^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 935096400

約数和(自身を除く): 535768352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 89, 97, 98, 112, 118, 178, 194, 196, 236, 356, 388, 392, 413, 472, 623, 679, 712, 776, 784, 826, 944, 1246, 1358, 1424, 1552, 1652, 2492, 2716, 2891, 3304, 4361, 4753, 4984, 5251, 5432, 5723, 5782, 6608, 8633, 8722, 9506, 9968, 10502, 10864, 11446, 11564, 17266, 17444, 19012, 21004, 22892, 23128, 34532, 34888, 36757, 38024, 40061, 42008, 45784, 46256, 60431, 69064, 69776, 73514, 76048, 80122, 84016, 91568, 120862, 138128, 147028, 160244, 241724, 257299, 280427, 294056, 320488, 423017, 483448, 509347, 514598, 560854, 588112, 640976, 846034, 966896, 1018694, 1029196, 1121708, 1692068, 2037388, 2058392, 2243416, 3384136, 3565429, 4074776, 4116784, 4486832, 6768272, 7130858, 8149552, 14261716, 24958003, 28523432, 49916006, 57046864, 99832012, 199664024, 399328048]

約数ペア:

[(1, 399328048), (2, 199664024), (4, 99832012), (7, 57046864), (8, 49916006), (14, 28523432), (16, 24958003), (28, 14261716), (49, 8149552), (56, 7130858), (59, 6768272), (89, 4486832), (97, 4116784), (98, 4074776), (112, 3565429), (118, 3384136), (178, 2243416), (194, 2058392), (196, 2037388), (236, 1692068), (356, 1121708), (388, 1029196), (392, 1018694), (413, 966896), (472, 846034), (623, 640976), (679, 588112), (712, 560854), (776, 514598), (784, 509347), (826, 483448), (944, 423017), (1246, 320488), (1358, 294056), (1424, 280427), (1552, 257299), (1652, 241724), (2492, 160244), (2716, 147028), (2891, 138128), (3304, 120862), (4361, 91568), (4753, 84016), (4984, 80122), (5251, 76048), (5432, 73514), (5723, 69776), (5782, 69064), (6608, 60431), (8633, 46256), (8722, 45784), (9506, 42008), (9968, 40061), (10502, 38024), (10864, 36757), (11446, 34888), (11564, 34532), (17266, 23128), (17444, 22892), (19012, 21004)]