220800385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 293932800

約数和(自身を除く): 73132415

約数列:

[1, 5, 13, 53, 65, 107, 265, 535, 599, 689, 1391, 2995, 3445, 5671, 6955, 7787, 28355, 31747, 38935, 64093, 73723, 158735, 320465, 368615, 412711, 833209, 2063555, 3396929, 4166045, 16984645, 44160077, 220800385]

約数ペア:

[(1, 220800385), (5, 44160077), (13, 16984645), (53, 4166045), (65, 3396929), (107, 2063555), (265, 833209), (535, 412711), (599, 368615), (689, 320465), (1391, 158735), (2995, 73723), (3445, 64093), (5671, 38935), (6955, 31747), (7787, 28355)]