399299264

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 224

約数和(自身を含む): 1070213760

約数和(自身を除く): 670914496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 37, 52, 56, 64, 68, 74, 91, 104, 109, 112, 119, 136, 148, 182, 208, 218, 221, 224, 238, 259, 272, 296, 364, 416, 436, 442, 448, 476, 481, 518, 544, 592, 629, 728, 763, 832, 872, 884, 952, 962, 1036, 1088, 1184, 1258, 1417, 1456, 1526, 1547, 1744, 1768, 1853, 1904, 1924, 2072, 2368, 2516, 2834, 2912, 3052, 3094, 3367, 3488, 3536, 3706, 3808, 3848, 4033, 4144, 4403, 5032, 5668, 5824, 6104, 6188, 6734, 6976, 7072, 7412, 7616, 7696, 8066, 8177, 8288, 8806, 9919, 10064, 11336, 12208, 12376, 12971, 13468, 14144, 14824, 15392, 16132, 16354, 16576, 17612, 19838, 20128, 22672, 24089, 24416, 24752, 25942, 26936, 28231, 29648, 30784, 32264, 32708, 35224, 39676, 40256, 45344, 48178, 48832, 49504, 51884, 52429, 53872, 56462, 57239, 59296, 64528, 65416, 68561, 70448, 79352, 90688, 96356, 99008, 103768, 104858, 107744, 112924, 114478, 118592, 129056, 130832, 137122, 140896, 158704, 168623, 192712, 207536, 209716, 215488, 225848, 228956, 258112, 261664, 274244, 281792, 317408, 337246, 367003, 385424, 415072, 419432, 451696, 457912, 479927, 523328, 548488, 634816, 674492, 734006, 770848, 830144, 838864, 891293, 903392, 915824, 959854, 1096976, 1348984, 1468012, 1541696, 1677728, 1782586, 1806784, 1831648, 1919708, 2193952, 2697968, 2936024, 3355456, 3565172, 3663296, 3839416, 4387904, 5395936, 5872048, 6239051, 7130344, 7678832, 10791872, 11744096, 12478102, 14260688, 15357664, 23488192, 24956204, 28521376, 30715328, 49912408, 57042752, 99824816, 199649632, 399299264]

約数ペア:

[(1, 399299264), (2, 199649632), (4, 99824816), (7, 57042752), (8, 49912408), (13, 30715328), (14, 28521376), (16, 24956204), (17, 23488192), (26, 15357664), (28, 14260688), (32, 12478102), (34, 11744096), (37, 10791872), (52, 7678832), (56, 7130344), (64, 6239051), (68, 5872048), (74, 5395936), (91, 4387904), (104, 3839416), (109, 3663296), (112, 3565172), (119, 3355456), (136, 2936024), (148, 2697968), (182, 2193952), (208, 1919708), (218, 1831648), (221, 1806784), (224, 1782586), (238, 1677728), (259, 1541696), (272, 1468012), (296, 1348984), (364, 1096976), (416, 959854), (436, 915824), (442, 903392), (448, 891293), (476, 838864), (481, 830144), (518, 770848), (544, 734006), (592, 674492), (629, 634816), (728, 548488), (763, 523328), (832, 479927), (872, 457912), (884, 451696), (952, 419432), (962, 415072), (1036, 385424), (1088, 367003), (1184, 337246), (1258, 317408), (1417, 281792), (1456, 274244), (1526, 261664), (1547, 258112), (1744, 228956), (1768, 225848), (1853, 215488), (1904, 209716), (1924, 207536), (2072, 192712), (2368, 168623), (2516, 158704), (2834, 140896), (2912, 137122), (3052, 130832), (3094, 129056), (3367, 118592), (3488, 114478), (3536, 112924), (3706, 107744), (3808, 104858), (3848, 103768), (4033, 99008), (4144, 96356), (4403, 90688), (5032, 79352), (5668, 70448), (5824, 68561), (6104, 65416), (6188, 64528), (6734, 59296), (6976, 57239), (7072, 56462), (7412, 53872), (7616, 52429), (7696, 51884), (8066, 49504), (8177, 48832), (8288, 48178), (8806, 45344), (9919, 40256), (10064, 39676), (11336, 35224), (12208, 32708), (12376, 32264), (12971, 30784), (13468, 29648), (14144, 28231), (14824, 26936), (15392, 25942), (16132, 24752), (16354, 24416), (16576, 24089), (17612, 22672), (19838, 20128)]