8174180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 21067200

約数和(自身を除く): 12893020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 439, 490, 532, 665, 878, 931, 980, 1330, 1756, 1862, 2195, 2660, 3073, 3724, 4390, 4655, 6146, 8341, 8780, 9310, 12292, 15365, 16682, 18620, 21511, 30730, 33364, 41705, 43022, 58387, 61460, 83410, 86044, 107555, 116774, 166820, 215110, 233548, 291935, 408709, 430220, 583870, 817418, 1167740, 1634836, 2043545, 4087090, 8174180]

約数ペア:

[(1, 8174180), (2, 4087090), (4, 2043545), (5, 1634836), (7, 1167740), (10, 817418), (14, 583870), (19, 430220), (20, 408709), (28, 291935), (35, 233548), (38, 215110), (49, 166820), (70, 116774), (76, 107555), (95, 86044), (98, 83410), (133, 61460), (140, 58387), (190, 43022), (196, 41705), (245, 33364), (266, 30730), (380, 21511), (439, 18620), (490, 16682), (532, 15365), (665, 12292), (878, 9310), (931, 8780), (980, 8341), (1330, 6146), (1756, 4655), (1862, 4390), (2195, 3724), (2660, 3073)]