2721820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 6124608

約数和(自身を除く): 3402788

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 97, 115, 122, 194, 230, 244, 305, 388, 460, 485, 610, 970, 1220, 1403, 1940, 2231, 2806, 4462, 5612, 5917, 7015, 8924, 11155, 11834, 14030, 22310, 23668, 28060, 29585, 44620, 59170, 118340, 136091, 272182, 544364, 680455, 1360910, 2721820]

約数ペア:

[(1, 2721820), (2, 1360910), (4, 680455), (5, 544364), (10, 272182), (20, 136091), (23, 118340), (46, 59170), (61, 44620), (92, 29585), (97, 28060), (115, 23668), (122, 22310), (194, 14030), (230, 11834), (244, 11155), (305, 8924), (388, 7015), (460, 5917), (485, 5612), (610, 4462), (970, 2806), (1220, 2231), (1403, 1940)]