239381960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{72103}}^1$

素因数の和:72197

約数の個数: 32

約数和(自身を含む): 545106240

約数和(自身を除く): 305724280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 72103, 144206, 288412, 360515, 576824, 721030, 1442060, 2884120, 5984549, 11969098, 23938196, 29922745, 47876392, 59845490, 119690980, 239381960]

約数ペア:

[(1, 239381960), (2, 119690980), (4, 59845490), (5, 47876392), (8, 29922745), (10, 23938196), (20, 11969098), (40, 5984549), (83, 2884120), (166, 1442060), (332, 721030), (415, 576824), (664, 360515), (830, 288412), (1660, 144206), (3320, 72103)]