31540460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{225289}}^1$

素因数の和:225305

約数の個数: 24

約数和(自身を含む): 75697440

約数和(自身を除く): 44156980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 225289, 450578, 901156, 1126445, 1577023, 2252890, 3154046, 4505780, 6308092, 7885115, 15770230, 31540460]

約数ペア:

[(1, 31540460), (2, 15770230), (4, 7885115), (5, 6308092), (7, 4505780), (10, 3154046), (14, 2252890), (20, 1577023), (28, 1126445), (35, 901156), (70, 450578), (140, 225289)]