189894740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71389}}^1$

素因数の和:71424

約数の個数: 48

約数和(自身を含む): 479740800

約数和(自身を除く): 289846060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 71389, 142778, 285556, 356945, 499723, 713890, 999446, 1356391, 1427780, 1998892, 2498615, 2712782, 4997230, 5425564, 6781955, 9494737, 9994460, 13563910, 18989474, 27127820, 37978948, 47473685, 94947370, 189894740]

約数ペア:

[(1, 189894740), (2, 94947370), (4, 47473685), (5, 37978948), (7, 27127820), (10, 18989474), (14, 13563910), (19, 9994460), (20, 9494737), (28, 6781955), (35, 5425564), (38, 4997230), (70, 2712782), (76, 2498615), (95, 1998892), (133, 1427780), (140, 1356391), (190, 999446), (266, 713890), (380, 499723), (532, 356945), (665, 285556), (1330, 142778), (2660, 71389)]