397458880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13649}}^1$

素因数の和:13686

約数の個数: 112

約数和(自身を含む): 1164945600

約数和(自身を除く): 767486720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 13649, 14560, 27298, 29120, 54596, 68245, 95543, 109192, 136490, 177437, 191086, 218384, 272980, 354874, 382172, 436768, 477715, 545960, 709748, 764344, 873536, 887185, 955430, 1091920, 1242059, 1419496, 1528688, 1774370, 1910860, 2183840, 2484118, 2838992, 3057376, 3548740, 3821720, 4367680, 4968236, 5677984, 6114752, 6210295, 7097480, 7643440, 9936472, 11355968, 12420590, 14194960, 15286880, 19872944, 24841180, 28389920, 30573760, 39745888, 49682360, 56779840, 79491776, 99364720, 198729440, 397458880]

約数ペア:

[(1, 397458880), (2, 198729440), (4, 99364720), (5, 79491776), (7, 56779840), (8, 49682360), (10, 39745888), (13, 30573760), (14, 28389920), (16, 24841180), (20, 19872944), (26, 15286880), (28, 14194960), (32, 12420590), (35, 11355968), (40, 9936472), (52, 7643440), (56, 7097480), (64, 6210295), (65, 6114752), (70, 5677984), (80, 4968236), (91, 4367680), (104, 3821720), (112, 3548740), (130, 3057376), (140, 2838992), (160, 2484118), (182, 2183840), (208, 1910860), (224, 1774370), (260, 1528688), (280, 1419496), (320, 1242059), (364, 1091920), (416, 955430), (448, 887185), (455, 873536), (520, 764344), (560, 709748), (728, 545960), (832, 477715), (910, 436768), (1040, 382172), (1120, 354874), (1456, 272980), (1820, 218384), (2080, 191086), (2240, 177437), (2912, 136490), (3640, 109192), (4160, 95543), (5824, 68245), (7280, 54596), (13649, 29120), (14560, 27298)]