6440620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 15089760

約数和(自身を除く): 8649140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 997, 1292, 1615, 1994, 3230, 3988, 4985, 6460, 9970, 16949, 18943, 19940, 33898, 37886, 67796, 75772, 84745, 94715, 169490, 189430, 322031, 338980, 378860, 644062, 1288124, 1610155, 3220310, 6440620]

約数ペア:

[(1, 6440620), (2, 3220310), (4, 1610155), (5, 1288124), (10, 644062), (17, 378860), (19, 338980), (20, 322031), (34, 189430), (38, 169490), (68, 94715), (76, 84745), (85, 75772), (95, 67796), (170, 37886), (190, 33898), (323, 19940), (340, 18943), (380, 16949), (646, 9970), (997, 6460), (1292, 4985), (1615, 3988), (1994, 3230)]