320430425

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 475088640

約数和(自身を除く): 154658215

約数列:

[1, 5, 7, 25, 29, 35, 103, 145, 175, 203, 515, 613, 721, 725, 1015, 2575, 2987, 3065, 3605, 4291, 5075, 14935, 15325, 17777, 18025, 20909, 21455, 63139, 74675, 88885, 104545, 107275, 124439, 315695, 441973, 444425, 522725, 622195, 1578475, 1831031, 2209865, 3110975, 9155155, 11049325, 12817217, 45775775, 64086085, 320430425]

約数ペア:

[(1, 320430425), (5, 64086085), (7, 45775775), (25, 12817217), (29, 11049325), (35, 9155155), (103, 3110975), (145, 2209865), (175, 1831031), (203, 1578475), (515, 622195), (613, 522725), (721, 444425), (725, 441973), (1015, 315695), (2575, 124439), (2987, 107275), (3065, 104545), (3605, 88885), (4291, 74675), (5075, 63139), (14935, 21455), (15325, 20909), (17777, 18025)]