68487860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1949}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 96622540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 1949, 2510, 3514, 3898, 5020, 7028, 7796, 8785, 9745, 13643, 17570, 19490, 27286, 35140, 38980, 54572, 68215, 136430, 272860, 489199, 978398, 1956796, 2445995, 3424393, 4891990, 6848786, 9783980, 13697572, 17121965, 34243930, 68487860]

約数ペア:

[(1, 68487860), (2, 34243930), (4, 17121965), (5, 13697572), (7, 9783980), (10, 6848786), (14, 4891990), (20, 3424393), (28, 2445995), (35, 1956796), (70, 978398), (140, 489199), (251, 272860), (502, 136430), (1004, 68215), (1255, 54572), (1757, 38980), (1949, 35140), (2510, 27286), (3514, 19490), (3898, 17570), (5020, 13643), (7028, 9745), (7796, 8785)]