22265380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 27126620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 499, 970, 998, 1940, 1996, 2231, 2495, 4462, 4990, 8924, 9980, 11155, 11477, 22310, 22954, 44620, 45908, 48403, 57385, 96806, 114770, 193612, 229540, 242015, 484030, 968060, 1113269, 2226538, 4453076, 5566345, 11132690, 22265380]

約数ペア:

[(1, 22265380), (2, 11132690), (4, 5566345), (5, 4453076), (10, 2226538), (20, 1113269), (23, 968060), (46, 484030), (92, 242015), (97, 229540), (115, 193612), (194, 114770), (230, 96806), (388, 57385), (460, 48403), (485, 45908), (499, 44620), (970, 22954), (998, 22310), (1940, 11477), (1996, 11155), (2231, 9980), (2495, 8924), (4462, 4990)]