8940070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 17095680

約数和(自身を除く): 8155610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 223, 422, 446, 1055, 1115, 2110, 2230, 4009, 4237, 8018, 8474, 20045, 21185, 40090, 42370, 47053, 94106, 235265, 470530, 894007, 1788014, 4470035, 8940070]

約数ペア:

[(1, 8940070), (2, 4470035), (5, 1788014), (10, 894007), (19, 470530), (38, 235265), (95, 94106), (190, 47053), (211, 42370), (223, 40090), (422, 21185), (446, 20045), (1055, 8474), (1115, 8018), (2110, 4237), (2230, 4009)]