8945740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 20194272

約数和(自身を除く): 11248532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 317, 332, 340, 415, 634, 830, 1268, 1411, 1585, 1660, 2822, 3170, 5389, 5644, 6340, 7055, 10778, 14110, 21556, 26311, 26945, 28220, 52622, 53890, 105244, 107780, 131555, 263110, 447287, 526220, 894574, 1789148, 2236435, 4472870, 8945740]

約数ペア:

[(1, 8945740), (2, 4472870), (4, 2236435), (5, 1789148), (10, 894574), (17, 526220), (20, 447287), (34, 263110), (68, 131555), (83, 107780), (85, 105244), (166, 53890), (170, 52622), (317, 28220), (332, 26945), (340, 26311), (415, 21556), (634, 14110), (830, 10778), (1268, 7055), (1411, 6340), (1585, 5644), (1660, 5389), (2822, 3170)]