68777660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2203}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 165881856

約数和(自身を除く): 97104196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2203, 2230, 3122, 4406, 4460, 6244, 7805, 8812, 11015, 15421, 15610, 22030, 30842, 31220, 44060, 61684, 77105, 154210, 308420, 491269, 982538, 1965076, 2456345, 3438883, 4912690, 6877766, 9825380, 13755532, 17194415, 34388830, 68777660]

約数ペア:

[(1, 68777660), (2, 34388830), (4, 17194415), (5, 13755532), (7, 9825380), (10, 6877766), (14, 4912690), (20, 3438883), (28, 2456345), (35, 1965076), (70, 982538), (140, 491269), (223, 308420), (446, 154210), (892, 77105), (1115, 61684), (1561, 44060), (2203, 31220), (2230, 30842), (3122, 22030), (4406, 15610), (4460, 15421), (6244, 11015), (7805, 8812)]