31352170

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 58032000

約数和(自身を除く): 26679830

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 499, 515, 610, 998, 1030, 2495, 4990, 6283, 12566, 30439, 31415, 51397, 60878, 62830, 102794, 152195, 256985, 304390, 513970, 3135217, 6270434, 15676085, 31352170]

約数ペア:

[(1, 31352170), (2, 15676085), (5, 6270434), (10, 3135217), (61, 513970), (103, 304390), (122, 256985), (206, 152195), (305, 102794), (499, 62830), (515, 60878), (610, 51397), (998, 31415), (1030, 30439), (2495, 12566), (4990, 6283)]