1745840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 4114320

約数和(自身を除く): 2368480

約数列:

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

約数ペア:

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