798980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 2069760

約数和(自身を除く): 1270780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 439, 455, 878, 910, 1756, 1820, 2195, 3073, 4390, 5707, 6146, 8780, 11414, 12292, 15365, 22828, 28535, 30730, 39949, 57070, 61460, 79898, 114140, 159796, 199745, 399490, 798980]

約数ペア:

[(1, 798980), (2, 399490), (4, 199745), (5, 159796), (7, 114140), (10, 79898), (13, 61460), (14, 57070), (20, 39949), (26, 30730), (28, 28535), (35, 22828), (52, 15365), (65, 12292), (70, 11414), (91, 8780), (130, 6146), (140, 5707), (182, 4390), (260, 3073), (364, 2195), (439, 1820), (455, 1756), (878, 910)]