291220220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{766369}}^1$

素因数の和:766397

約数の個数: 24

約数和(自身を含む): 643750800

約数和(自身を除く): 352530580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 766369, 1532738, 3065476, 3831845, 7663690, 14561011, 15327380, 29122022, 58244044, 72805055, 145610110, 291220220]

約数ペア:

[(1, 291220220), (2, 145610110), (4, 72805055), (5, 58244044), (10, 29122022), (19, 15327380), (20, 14561011), (38, 7663690), (76, 3831845), (95, 3065476), (190, 1532738), (380, 766369)]