39213020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25463}}^1$

素因数の和:25490

約数の個数: 48

約数和(自身を含む): 102670848

約数和(自身を除く): 63457828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 25463, 50926, 101852, 127315, 178241, 254630, 280093, 356482, 509260, 560186, 712964, 891205, 1120372, 1400465, 1782410, 1960651, 2800930, 3564820, 3921302, 5601860, 7842604, 9803255, 19606510, 39213020]

約数ペア:

[(1, 39213020), (2, 19606510), (4, 9803255), (5, 7842604), (7, 5601860), (10, 3921302), (11, 3564820), (14, 2800930), (20, 1960651), (22, 1782410), (28, 1400465), (35, 1120372), (44, 891205), (55, 712964), (70, 560186), (77, 509260), (110, 356482), (140, 280093), (154, 254630), (220, 178241), (308, 127315), (385, 101852), (770, 50926), (1540, 25463)]