201738940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775919}}^1$

素因数の和:775941

約数の個数: 24

約数和(自身を含む): 456240960

約数和(自身を除く): 254502020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775919, 1551838, 3103676, 3879595, 7759190, 10086947, 15518380, 20173894, 40347788, 50434735, 100869470, 201738940]

約数ペア:

[(1, 201738940), (2, 100869470), (4, 50434735), (5, 40347788), (10, 20173894), (13, 15518380), (20, 10086947), (26, 7759190), (52, 3879595), (65, 3103676), (130, 1551838), (260, 775919)]