71762180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1949}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 101210620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1841, 1949, 2630, 3682, 3898, 5260, 7364, 7796, 9205, 9745, 13643, 18410, 19490, 27286, 36820, 38980, 54572, 68215, 136430, 272860, 512587, 1025174, 2050348, 2562935, 3588109, 5125870, 7176218, 10251740, 14352436, 17940545, 35881090, 71762180]

約数ペア:

[(1, 71762180), (2, 35881090), (4, 17940545), (5, 14352436), (7, 10251740), (10, 7176218), (14, 5125870), (20, 3588109), (28, 2562935), (35, 2050348), (70, 1025174), (140, 512587), (263, 272860), (526, 136430), (1052, 68215), (1315, 54572), (1841, 38980), (1949, 36820), (2630, 27286), (3682, 19490), (3898, 18410), (5260, 13643), (7364, 9745), (7796, 9205)]