7740425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4021}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 11969472

約数和(自身を除く): 4229047

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 4021, 20105, 28147, 44231, 100525, 140735, 221155, 309617, 703675, 1105775, 1548085, 7740425]

約数ペア:

[(1, 7740425), (5, 1548085), (7, 1105775), (11, 703675), (25, 309617), (35, 221155), (55, 140735), (77, 100525), (175, 44231), (275, 28147), (385, 20105), (1925, 4021)]