251036140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{2237}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 547432704

約数和(自身を除く): 296396564

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 2237, 3620, 4474, 5611, 8948, 11185, 11222, 22370, 22444, 28055, 44740, 56110, 69347, 112220, 138694, 277388, 346735, 404897, 693470, 809794, 1386940, 1619588, 2024485, 4048970, 8097940, 12551807, 25103614, 50207228, 62759035, 125518070, 251036140]

約数ペア:

[(1, 251036140), (2, 125518070), (4, 62759035), (5, 50207228), (10, 25103614), (20, 12551807), (31, 8097940), (62, 4048970), (124, 2024485), (155, 1619588), (181, 1386940), (310, 809794), (362, 693470), (620, 404897), (724, 346735), (905, 277388), (1810, 138694), (2237, 112220), (3620, 69347), (4474, 56110), (5611, 44740), (8948, 28055), (11185, 22444), (11222, 22370)]