27950020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 67511808

約数和(自身を除く): 39561788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1103, 1267, 1810, 2206, 2534, 3620, 4412, 5068, 5515, 6335, 7721, 11030, 12670, 15442, 22060, 25340, 30884, 38605, 77210, 154420, 199643, 399286, 798572, 998215, 1397501, 1996430, 2795002, 3992860, 5590004, 6987505, 13975010, 27950020]

約数ペア:

[(1, 27950020), (2, 13975010), (4, 6987505), (5, 5590004), (7, 3992860), (10, 2795002), (14, 1996430), (20, 1397501), (28, 998215), (35, 798572), (70, 399286), (140, 199643), (181, 154420), (362, 77210), (724, 38605), (905, 30884), (1103, 25340), (1267, 22060), (1810, 15442), (2206, 12670), (2534, 11030), (3620, 7721), (4412, 6335), (5068, 5515)]