399882560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16229}}^1$

素因数の和:16264

約数の個数: 112

約数和(自身を含む): 1187256960

約数和(自身を除く): 787374400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 16229, 24640, 32458, 64916, 81145, 113603, 129832, 162290, 178519, 227206, 259664, 324580, 357038, 454412, 519328, 568015, 649160, 714076, 892595, 908824, 1038656, 1136030, 1249633, 1298320, 1428152, 1785190, 1817648, 2272060, 2499266, 2596640, 2856304, 3570380, 3635296, 4544120, 4998532, 5193280, 5712608, 6248165, 7140760, 7270592, 9088240, 9997064, 11425216, 12496330, 14281520, 18176480, 19994128, 24992660, 28563040, 36352960, 39988256, 49985320, 57126080, 79976512, 99970640, 199941280, 399882560]

約数ペア:

[(1, 399882560), (2, 199941280), (4, 99970640), (5, 79976512), (7, 57126080), (8, 49985320), (10, 39988256), (11, 36352960), (14, 28563040), (16, 24992660), (20, 19994128), (22, 18176480), (28, 14281520), (32, 12496330), (35, 11425216), (40, 9997064), (44, 9088240), (55, 7270592), (56, 7140760), (64, 6248165), (70, 5712608), (77, 5193280), (80, 4998532), (88, 4544120), (110, 3635296), (112, 3570380), (140, 2856304), (154, 2596640), (160, 2499266), (176, 2272060), (220, 1817648), (224, 1785190), (280, 1428152), (308, 1298320), (320, 1249633), (352, 1136030), (385, 1038656), (440, 908824), (448, 892595), (560, 714076), (616, 649160), (704, 568015), (770, 519328), (880, 454412), (1120, 357038), (1232, 324580), (1540, 259664), (1760, 227206), (2240, 178519), (2464, 162290), (3080, 129832), (3520, 113603), (4928, 81145), (6160, 64916), (12320, 32458), (16229, 24640)]