399898779840

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{811}}^1$

素因数の和:1138

約数の個数: 896

約数和(自身を含む): 1672687779840

約数和(自身を除く): 1272789000000

約数列:

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約数ペア:

[(1, 399898779840), (2, 199949389920), (3, 133299593280), (4, 99974694960), (5, 79979755968), (6, 66649796640), (7, 57128397120), (8, 49987347480), (9, 44433197760), (10, 39989877984), (12, 33324898320), (14, 28564198560), (15, 26659918656), (16, 24993673740), (18, 22216598880), (20, 19994938992), (21, 19042799040), (24, 16662449160), (27, 14811065920), (28, 14282099280), (30, 13329959328), (31, 12899960640), (32, 12496836870), (35, 11425679424), (36, 11108299440), (40, 9997469496), (42, 9521399520), (45, 8886639552), (48, 8331224580), (54, 7405532960), (56, 7141049640), (60, 6664979664), (62, 6449980320), (63, 6347599680), (64, 6248418435), (70, 5712839712), (72, 5554149720), (80, 4998734748), (84, 4760699760), (90, 4443319776), (93, 4299986880), (96, 4165612290), (105, 3808559808), (108, 3702766480), (112, 3570524820), (120, 3332489832), (124, 3224990160), (126, 3173799840), (135, 2962213184), (140, 2856419856), (144, 2777074860), (155, 2579992128), (160, 2499367374), (168, 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875880), (467136, 856065), (468720, 853172), (489180, 817488), (497070, 804512), (502820, 795312), (510930, 782688), (513639, 778560), (521792, 766395), (527961, 757440), (530208, 754230), (544992, 733770), (568080, 703948), (570710, 700704), (583920, 684852), (587016, 681240), (589120, 678807), (603384, 662760), (613116, 652240), (624960, 639879)]