86700740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1471}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 208717824

約数和(自身を除く): 122017084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1471, 1684, 2105, 2942, 2947, 4210, 5884, 5894, 7355, 8420, 10297, 11788, 14710, 14735, 20594, 29420, 29470, 41188, 51485, 58940, 102970, 205940, 619291, 1238582, 2477164, 3096455, 4335037, 6192910, 8670074, 12385820, 17340148, 21675185, 43350370, 86700740]

約数ペア:

[(1, 86700740), (2, 43350370), (4, 21675185), (5, 17340148), (7, 12385820), (10, 8670074), (14, 6192910), (20, 4335037), (28, 3096455), (35, 2477164), (70, 1238582), (140, 619291), (421, 205940), (842, 102970), (1471, 58940), (1684, 51485), (2105, 41188), (2942, 29470), (2947, 29420), (4210, 20594), (5884, 14735), (5894, 14710), (7355, 11788), (8420, 10297)]