206906320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{911}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 512967168

約数和(自身を除く): 306060848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 272, 334, 340, 668, 680, 835, 911, 1336, 1360, 1670, 1822, 2672, 2839, 3340, 3644, 4555, 5678, 6680, 7288, 9110, 11356, 13360, 14195, 14576, 15487, 18220, 22712, 28390, 30974, 36440, 45424, 56780, 61948, 72880, 77435, 113560, 123896, 152137, 154870, 227120, 247792, 304274, 309740, 608548, 619480, 760685, 1217096, 1238960, 1521370, 2434192, 2586329, 3042740, 5172658, 6085480, 10345316, 12170960, 12931645, 20690632, 25863290, 41381264, 51726580, 103453160, 206906320]

約数ペア:

[(1, 206906320), (2, 103453160), (4, 51726580), (5, 41381264), (8, 25863290), (10, 20690632), (16, 12931645), (17, 12170960), (20, 10345316), (34, 6085480), (40, 5172658), (68, 3042740), (80, 2586329), (85, 2434192), (136, 1521370), (167, 1238960), (170, 1217096), (272, 760685), (334, 619480), (340, 608548), (668, 309740), (680, 304274), (835, 247792), (911, 227120), (1336, 154870), (1360, 152137), (1670, 123896), (1822, 113560), (2672, 77435), (2839, 72880), (3340, 61948), (3644, 56780), (4555, 45424), (5678, 36440), (6680, 30974), (7288, 28390), (9110, 22712), (11356, 18220), (13360, 15487), (14195, 14576)]