2788700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 6145440

約数和(自身を除く): 3356740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 353, 395, 706, 790, 1412, 1580, 1765, 1975, 3530, 3950, 7060, 7900, 8825, 17650, 27887, 35300, 55774, 111548, 139435, 278870, 557740, 697175, 1394350, 2788700]

約数ペア:

[(1, 2788700), (2, 1394350), (4, 697175), (5, 557740), (10, 278870), (20, 139435), (25, 111548), (50, 55774), (79, 35300), (100, 27887), (158, 17650), (316, 8825), (353, 7900), (395, 7060), (706, 3950), (790, 3530), (1412, 1975), (1580, 1765)]