3491680

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 8361360

約数和(自身を除く): 4869680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 157, 160, 278, 314, 556, 628, 695, 785, 1112, 1256, 1390, 1570, 2224, 2512, 2780, 3140, 4448, 5024, 5560, 6280, 11120, 12560, 21823, 22240, 25120, 43646, 87292, 109115, 174584, 218230, 349168, 436460, 698336, 872920, 1745840, 3491680]

約数ペア:

[(1, 3491680), (2, 1745840), (4, 872920), (5, 698336), (8, 436460), (10, 349168), (16, 218230), (20, 174584), (32, 109115), (40, 87292), (80, 43646), (139, 25120), (157, 22240), (160, 21823), (278, 12560), (314, 11120), (556, 6280), (628, 5560), (695, 5024), (785, 4448), (1112, 3140), (1256, 2780), (1390, 2512), (1570, 2224)]