207905635720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1\times {\mathrm{70487}}^1$

素因数の和:74398

約数の個数: 64

約数和(自身を含む): 492541948800

約数和(自身を除く): 284636313080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3881, 7762, 15524, 19405, 31048, 38810, 70487, 73739, 77620, 140974, 147478, 155240, 281948, 294956, 352435, 368695, 563896, 589912, 704870, 737390, 1339253, 1409740, 1474780, 2678506, 2819480, 2949560, 5357012, 6696265, 10714024, 13392530, 26785060, 53570120, 273560047, 547120094, 1094240188, 1367800235, 2188480376, 2735600470, 5197640893, 5471200940, 10395281786, 10942401880, 20790563572, 25988204465, 41581127144, 51976408930, 103952817860, 207905635720]

約数ペア:

[(1, 207905635720), (2, 103952817860), (4, 51976408930), (5, 41581127144), (8, 25988204465), (10, 20790563572), (19, 10942401880), (20, 10395281786), (38, 5471200940), (40, 5197640893), (76, 2735600470), (95, 2188480376), (152, 1367800235), (190, 1094240188), (380, 547120094), (760, 273560047), (3881, 53570120), (7762, 26785060), (15524, 13392530), (19405, 10714024), (31048, 6696265), (38810, 5357012), (70487, 2949560), (73739, 2819480), (77620, 2678506), (140974, 1474780), (147478, 1409740), (155240, 1339253), (281948, 737390), (294956, 704870), (352435, 589912), (368695, 563896)]