31049060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{977}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 74922624

約数和(自身を除く): 43873564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 977, 1135, 1589, 1954, 2270, 3178, 3908, 4540, 4885, 6356, 6839, 7945, 9770, 13678, 15890, 19540, 27356, 31780, 34195, 68390, 136780, 221779, 443558, 887116, 1108895, 1552453, 2217790, 3104906, 4435580, 6209812, 7762265, 15524530, 31049060]

約数ペア:

[(1, 31049060), (2, 15524530), (4, 7762265), (5, 6209812), (7, 4435580), (10, 3104906), (14, 2217790), (20, 1552453), (28, 1108895), (35, 887116), (70, 443558), (140, 221779), (227, 136780), (454, 68390), (908, 34195), (977, 31780), (1135, 27356), (1589, 19540), (1954, 15890), (2270, 13678), (3178, 9770), (3908, 7945), (4540, 6839), (4885, 6356)]