28964460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68963}}^1$

素因数の和:68982

約数の個数: 48

約数和(自身を含む): 92687616

約数和(自身を除く): 63723156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68963, 137926, 206889, 275852, 344815, 413778, 482741, 689630, 827556, 965482, 1034445, 1379260, 1448223, 1930964, 2068890, 2413705, 2896446, 4137780, 4827410, 5792892, 7241115, 9654820, 14482230, 28964460]

約数ペア:

[(1, 28964460), (2, 14482230), (3, 9654820), (4, 7241115), (5, 5792892), (6, 4827410), (7, 4137780), (10, 2896446), (12, 2413705), (14, 2068890), (15, 1930964), (20, 1448223), (21, 1379260), (28, 1034445), (30, 965482), (35, 827556), (42, 689630), (60, 482741), (70, 413778), (84, 344815), (105, 275852), (140, 206889), (210, 137926), (420, 68963)]