29270220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{69691}}^1$

素因数の和:69710

約数の個数: 48

約数和(自身を含む): 93666048

約数和(自身を除く): 64395828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 69691, 139382, 209073, 278764, 348455, 418146, 487837, 696910, 836292, 975674, 1045365, 1393820, 1463511, 1951348, 2090730, 2439185, 2927022, 4181460, 4878370, 5854044, 7317555, 9756740, 14635110, 29270220]

約数ペア:

[(1, 29270220), (2, 14635110), (3, 9756740), (4, 7317555), (5, 5854044), (6, 4878370), (7, 4181460), (10, 2927022), (12, 2439185), (14, 2090730), (15, 1951348), (20, 1463511), (21, 1393820), (28, 1045365), (30, 975674), (35, 836292), (42, 696910), (60, 487837), (70, 418146), (84, 348455), (105, 278764), (140, 209073), (210, 139382), (420, 69691)]