205121820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{148639}}^1$

素因数の和:148674

約数の個数: 48

約数和(自身を含む): 599316480

約数和(自身を除く): 394194660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 148639, 297278, 445917, 594556, 743195, 891834, 1486390, 1783668, 2229585, 2972780, 3418697, 4459170, 6837394, 8918340, 10256091, 13674788, 17093485, 20512182, 34186970, 41024364, 51280455, 68373940, 102560910, 205121820]

約数ペア:

[(1, 205121820), (2, 102560910), (3, 68373940), (4, 51280455), (5, 41024364), (6, 34186970), (10, 20512182), (12, 17093485), (15, 13674788), (20, 10256091), (23, 8918340), (30, 6837394), (46, 4459170), (60, 3418697), (69, 2972780), (92, 2229585), (115, 1783668), (138, 1486390), (230, 891834), (276, 743195), (345, 594556), (460, 445917), (690, 297278), (1380, 148639)]