221246210

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{1523}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 405993600

約数和(自身を除く): 184747390

約数列:

[1, 2, 5, 10, 73, 146, 199, 365, 398, 730, 995, 1523, 1990, 3046, 7615, 14527, 15230, 29054, 72635, 111179, 145270, 222358, 303077, 555895, 606154, 1111790, 1515385, 3030770, 22124621, 44249242, 110623105, 221246210]

約数ペア:

[(1, 221246210), (2, 110623105), (5, 44249242), (10, 22124621), (73, 3030770), (146, 1515385), (199, 1111790), (365, 606154), (398, 555895), (730, 303077), (995, 222358), (1523, 145270), (1990, 111179), (3046, 72635), (7615, 29054), (14527, 15230)]