42407260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{302909}}^1$

素因数の和:302925

約数の個数: 24

約数和(自身を含む): 101777760

約数和(自身を除く): 59370500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 302909, 605818, 1211636, 1514545, 2120363, 3029090, 4240726, 6058180, 8481452, 10601815, 21203630, 42407260]

約数ペア:

[(1, 42407260), (2, 21203630), (4, 10601815), (5, 8481452), (7, 6058180), (10, 4240726), (14, 3029090), (20, 2120363), (28, 1514545), (35, 1211636), (70, 605818), (140, 302909)]