131880170

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{2099}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 243734400

約数和(自身を除く): 111854230

約数列:

[1, 2, 5, 10, 61, 103, 122, 206, 305, 515, 610, 1030, 2099, 4198, 6283, 10495, 12566, 20990, 31415, 62830, 128039, 216197, 256078, 432394, 640195, 1080985, 1280390, 2161970, 13188017, 26376034, 65940085, 131880170]

約数ペア:

[(1, 131880170), (2, 65940085), (5, 26376034), (10, 13188017), (61, 2161970), (103, 1280390), (122, 1080985), (206, 640195), (305, 432394), (515, 256078), (610, 216197), (1030, 128039), (2099, 62830), (4198, 31415), (6283, 20990), (10495, 12566)]