200505820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2531}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 447920928

約数和(自身を除く): 247415108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 2330, 2531, 3961, 4660, 5062, 7922, 10124, 12655, 15844, 19805, 25310, 39610, 43027, 50620, 79220, 86054, 172108, 215135, 430270, 589723, 860540, 1179446, 2358892, 2948615, 5897230, 10025291, 11794460, 20050582, 40101164, 50126455, 100252910, 200505820]

約数ペア:

[(1, 200505820), (2, 100252910), (4, 50126455), (5, 40101164), (10, 20050582), (17, 11794460), (20, 10025291), (34, 5897230), (68, 2948615), (85, 2358892), (170, 1179446), (233, 860540), (340, 589723), (466, 430270), (932, 215135), (1165, 172108), (2330, 86054), (2531, 79220), (3961, 50620), (4660, 43027), (5062, 39610), (7922, 25310), (10124, 19805), (12655, 15844)]