1930977790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{207409}}^1$

素因数の和:207449

約数の個数: 48

約数和(自身を含む): 4256053200

約数和(自身を除く): 2325075410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 207409, 414818, 1037045, 1451863, 2074090, 2903726, 3940771, 7259315, 7881542, 10163041, 14518630, 19703855, 20326082, 27585397, 39407710, 50815205, 55170794, 101630410, 137926985, 193097779, 275853970, 386195558, 965488895, 1930977790]

約数ペア:

[(1, 1930977790), (2, 965488895), (5, 386195558), (7, 275853970), (10, 193097779), (14, 137926985), (19, 101630410), (35, 55170794), (38, 50815205), (49, 39407710), (70, 27585397), (95, 20326082), (98, 19703855), (133, 14518630), (190, 10163041), (245, 7881542), (266, 7259315), (490, 3940771), (665, 2903726), (931, 2074090), (1330, 1451863), (1862, 1037045), (4655, 414818), (9310, 207409)]