1990201110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{211949}}^1$

素因数の和:212272

約数の個数: 32

約数和(自身を含む): 4791765600

約数和(自身を除く): 2801564490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 3130, 4695, 9390, 211949, 423898, 635847, 1059745, 1271694, 2119490, 3179235, 6358470, 66340037, 132680074, 199020111, 331700185, 398040222, 663400370, 995100555, 1990201110]

約数ペア:

[(1, 1990201110), (2, 995100555), (3, 663400370), (5, 398040222), (6, 331700185), (10, 199020111), (15, 132680074), (30, 66340037), (313, 6358470), (626, 3179235), (939, 2119490), (1565, 1271694), (1878, 1059745), (3130, 635847), (4695, 423898), (9390, 211949)]