210516580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{553991}}^1$

素因数の和:554019

約数の個数: 24

約数和(自身を含む): 465353280

約数和(自身を除く): 254836700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 553991, 1107982, 2215964, 2769955, 5539910, 10525829, 11079820, 21051658, 42103316, 52629145, 105258290, 210516580]

約数ペア:

[(1, 210516580), (2, 105258290), (4, 52629145), (5, 42103316), (10, 21051658), (19, 11079820), (20, 10525829), (38, 5539910), (76, 2769955), (95, 2215964), (190, 1107982), (380, 553991)]