490861010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{25579}}^1$

素因数の和:25706

約数の個数: 32

約数和(自身を含む): 939297600

約数和(自身を除く): 448436590

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1919, 3838, 9595, 19190, 25579, 51158, 127895, 255790, 486001, 972002, 2430005, 2583479, 4860010, 5166958, 12917395, 25834790, 49086101, 98172202, 245430505, 490861010]

約数ペア:

[(1, 490861010), (2, 245430505), (5, 98172202), (10, 49086101), (19, 25834790), (38, 12917395), (95, 5166958), (101, 4860010), (190, 2583479), (202, 2430005), (505, 972002), (1010, 486001), (1919, 255790), (3838, 127895), (9595, 51158), (19190, 25579)]