157217240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 361389600

約数和(自身を除く): 204172360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 109, 214, 218, 337, 428, 436, 535, 545, 674, 856, 872, 1070, 1090, 1348, 1685, 2140, 2180, 2696, 3370, 4280, 4360, 6740, 11663, 13480, 23326, 36059, 36733, 46652, 58315, 72118, 73466, 93304, 116630, 144236, 146932, 180295, 183665, 233260, 288472, 293864, 360590, 367330, 466520, 721180, 734660, 1442360, 1469320, 3930431, 7860862, 15721724, 19652155, 31443448, 39304310, 78608620, 157217240]

約数ペア:

[(1, 157217240), (2, 78608620), (4, 39304310), (5, 31443448), (8, 19652155), (10, 15721724), (20, 7860862), (40, 3930431), (107, 1469320), (109, 1442360), (214, 734660), (218, 721180), (337, 466520), (428, 367330), (436, 360590), (535, 293864), (545, 288472), (674, 233260), (856, 183665), (872, 180295), (1070, 146932), (1090, 144236), (1348, 116630), (1685, 93304), (2140, 73466), (2180, 72118), (2696, 58315), (3370, 46652), (4280, 36733), (4360, 36059), (6740, 23326), (11663, 13480)]