1285366900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{32377}}^1$

素因数の和:32788

約数の個数: 36

約数和(自身を含む): 2796358348

約数和(自身を除く): 1510991448

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1985, 3970, 7940, 9925, 19850, 32377, 39700, 64754, 129508, 161885, 323770, 647540, 809425, 1618850, 3237700, 12853669, 25707338, 51414676, 64268345, 128536690, 257073380, 321341725, 642683450, 1285366900]

約数ペア:

[(1, 1285366900), (2, 642683450), (4, 321341725), (5, 257073380), (10, 128536690), (20, 64268345), (25, 51414676), (50, 25707338), (100, 12853669), (397, 3237700), (794, 1618850), (1588, 809425), (1985, 647540), (3970, 323770), (7940, 161885), (9925, 129508), (19850, 64754), (32377, 39700)]