209039530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 440893440

約数和(自身を除く): 231853910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 103, 158, 206, 367, 395, 515, 553, 721, 734, 790, 1030, 1106, 1442, 1835, 2569, 2765, 3605, 3670, 5138, 5530, 7210, 8137, 12845, 16274, 25690, 28993, 37801, 40685, 56959, 57986, 75602, 81370, 113918, 144965, 189005, 202951, 264607, 284795, 289930, 378010, 405902, 529214, 569590, 1014755, 1323035, 2029510, 2646070, 2986279, 5972558, 14931395, 20903953, 29862790, 41807906, 104519765, 209039530]

約数ペア:

[(1, 209039530), (2, 104519765), (5, 41807906), (7, 29862790), (10, 20903953), (14, 14931395), (35, 5972558), (70, 2986279), (79, 2646070), (103, 2029510), (158, 1323035), (206, 1014755), (367, 569590), (395, 529214), (515, 405902), (553, 378010), (721, 289930), (734, 284795), (790, 264607), (1030, 202951), (1106, 189005), (1442, 144965), (1835, 113918), (2569, 81370), (2765, 75602), (3605, 57986), (3670, 56959), (5138, 40685), (5530, 37801), (7210, 28993), (8137, 25690), (12845, 16274)]