1265852980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{531871}}^1$

素因数の和:531904

約数の個数: 48

約数和(自身を含む): 3216761856

約数和(自身を除く): 1950908876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 531871, 1063742, 2127484, 2659355, 3723097, 5318710, 7446194, 9041807, 10637420, 14892388, 18083614, 18615485, 36167228, 37230970, 45209035, 63292649, 74461940, 90418070, 126585298, 180836140, 253170596, 316463245, 632926490, 1265852980]

約数ペア:

[(1, 1265852980), (2, 632926490), (4, 316463245), (5, 253170596), (7, 180836140), (10, 126585298), (14, 90418070), (17, 74461940), (20, 63292649), (28, 45209035), (34, 37230970), (35, 36167228), (68, 18615485), (70, 18083614), (85, 14892388), (119, 10637420), (140, 9041807), (170, 7446194), (238, 5318710), (340, 3723097), (476, 2659355), (595, 2127484), (1190, 1063742), (2380, 531871)]