205121830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{3361}}^1$

素因数の和:3744

約数の個数: 32

約数和(自身を含む): 392143680

約数和(自身を除く): 187021850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 359, 718, 1795, 3361, 3590, 6103, 6722, 12206, 16805, 30515, 33610, 57137, 61030, 114274, 285685, 571370, 1206599, 2413198, 6032995, 12065990, 20512183, 41024366, 102560915, 205121830]

約数ペア:

[(1, 205121830), (2, 102560915), (5, 41024366), (10, 20512183), (17, 12065990), (34, 6032995), (85, 2413198), (170, 1206599), (359, 571370), (718, 285685), (1795, 114274), (3361, 61030), (3590, 57137), (6103, 33610), (6722, 30515), (12206, 16805)]