247703480

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{11321}}^1$

素因数の和:11879

約数の個数: 32

約数和(自身を含む): 558401040

約数和(自身を除く): 310697560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 11321, 21880, 22642, 45284, 56605, 90568, 113210, 226420, 452840, 6192587, 12385174, 24770348, 30962935, 49540696, 61925870, 123851740, 247703480]

約数ペア:

[(1, 247703480), (2, 123851740), (4, 61925870), (5, 49540696), (8, 30962935), (10, 24770348), (20, 12385174), (40, 6192587), (547, 452840), (1094, 226420), (2188, 113210), (2735, 90568), (4376, 56605), (5470, 45284), (10940, 22642), (11321, 21880)]