42858020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{541}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 95881968

約数和(自身を除く): 53023948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 541, 932, 1082, 1165, 2164, 2330, 2705, 3961, 4660, 5410, 7922, 9197, 10820, 15844, 18394, 19805, 36788, 39610, 45985, 79220, 91970, 126053, 183940, 252106, 504212, 630265, 1260530, 2142901, 2521060, 4285802, 8571604, 10714505, 21429010, 42858020]

約数ペア:

[(1, 42858020), (2, 21429010), (4, 10714505), (5, 8571604), (10, 4285802), (17, 2521060), (20, 2142901), (34, 1260530), (68, 630265), (85, 504212), (170, 252106), (233, 183940), (340, 126053), (466, 91970), (541, 79220), (932, 45985), (1082, 39610), (1165, 36788), (2164, 19805), (2330, 18394), (2705, 15844), (3961, 10820), (4660, 9197), (5410, 7922)]