289391030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{2069}}^1$

素因数の和:2344

約数の個数: 32

約数和(自身を含む): 531178560

約数和(自身を除く): 241787530

約数列:

[1, 2, 5, 10, 71, 142, 197, 355, 394, 710, 985, 1970, 2069, 4138, 10345, 13987, 20690, 27974, 69935, 139870, 146899, 293798, 407593, 734495, 815186, 1468990, 2037965, 4075930, 28939103, 57878206, 144695515, 289391030]

約数ペア:

[(1, 289391030), (2, 144695515), (5, 57878206), (10, 28939103), (71, 4075930), (142, 2037965), (197, 1468990), (355, 815186), (394, 734495), (710, 407593), (985, 293798), (1970, 146899), (2069, 139870), (4138, 69935), (10345, 27974), (13987, 20690)]