2120020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 5362560

約数和(自身を除く): 3242540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 797, 1330, 1594, 2660, 3188, 3985, 5579, 7970, 11158, 15143, 15940, 22316, 27895, 30286, 55790, 60572, 75715, 106001, 111580, 151430, 212002, 302860, 424004, 530005, 1060010, 2120020]

約数ペア:

[(1, 2120020), (2, 1060010), (4, 530005), (5, 424004), (7, 302860), (10, 212002), (14, 151430), (19, 111580), (20, 106001), (28, 75715), (35, 60572), (38, 55790), (70, 30286), (76, 27895), (95, 22316), (133, 15940), (140, 15143), (190, 11158), (266, 7970), (380, 5579), (532, 3985), (665, 3188), (797, 2660), (1330, 1594)]