321878620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121007}}^1$

素因数の和:121042

約数の個数: 48

約数和(自身を含む): 813173760

約数和(自身を除く): 491295140

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, 1330, 2660, 121007, 242014, 484028, 605035, 847049, 1210070, 1694098, 2299133, 2420140, 3388196, 4235245, 4598266, 8470490, 9196532, 11495665, 16093931, 16940980, 22991330, 32187862, 45982660, 64375724, 80469655, 160939310, 321878620]

約数ペア:

[(1, 321878620), (2, 160939310), (4, 80469655), (5, 64375724), (7, 45982660), (10, 32187862), (14, 22991330), (19, 16940980), (20, 16093931), (28, 11495665), (35, 9196532), (38, 8470490), (70, 4598266), (76, 4235245), (95, 3388196), (133, 2420140), (140, 2299133), (190, 1694098), (266, 1210070), (380, 847049), (532, 605035), (665, 484028), (1330, 242014), (2660, 121007)]