838076890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{90019}}^1$

素因数の和:90059

約数の個数: 48

約数和(自身を含む): 1847210400

約数和(自身を除く): 1009133510

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, 90019, 180038, 450095, 630133, 900190, 1260266, 1710361, 3150665, 3420722, 4410931, 6301330, 8551805, 8821862, 11972527, 17103610, 22054655, 23945054, 44109310, 59862635, 83807689, 119725270, 167615378, 419038445, 838076890]

約数ペア:

[(1, 838076890), (2, 419038445), (5, 167615378), (7, 119725270), (10, 83807689), (14, 59862635), (19, 44109310), (35, 23945054), (38, 22054655), (49, 17103610), (70, 11972527), (95, 8821862), (98, 8551805), (133, 6301330), (190, 4410931), (245, 3420722), (266, 3150665), (490, 1710361), (665, 1260266), (931, 900190), (1330, 630133), (1862, 450095), (4655, 180038), (9310, 90019)]