2721045940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{3533}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 5789285712

約数和(自身を除く): 3068239772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 397, 485, 794, 970, 1588, 1940, 1985, 3533, 3970, 7066, 7940, 14132, 17665, 35330, 38509, 70660, 77018, 154036, 192545, 342701, 385090, 685402, 770180, 1370804, 1402601, 1713505, 2805202, 3427010, 5610404, 6854020, 7013005, 14026010, 28052020, 136052297, 272104594, 544209188, 680261485, 1360522970, 2721045940]

約数ペア:

[(1, 2721045940), (2, 1360522970), (4, 680261485), (5, 544209188), (10, 272104594), (20, 136052297), (97, 28052020), (194, 14026010), (388, 7013005), (397, 6854020), (485, 5610404), (794, 3427010), (970, 2805202), (1588, 1713505), (1940, 1402601), (1985, 1370804), (3533, 770180), (3970, 685402), (7066, 385090), (7940, 342701), (14132, 192545), (17665, 154036), (35330, 77018), (38509, 70660)]