200991640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46099}}^1$

素因数の和:46219

約数の個数: 32

約数和(自身を含む): 456390000

約数和(自身を除く): 255398360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 46099, 92198, 184396, 230495, 368792, 460990, 921980, 1843960, 5024791, 10049582, 20099164, 25123955, 40198328, 50247910, 100495820, 200991640]

約数ペア:

[(1, 200991640), (2, 100495820), (4, 50247910), (5, 40198328), (8, 25123955), (10, 20099164), (20, 10049582), (40, 5024791), (109, 1843960), (218, 921980), (436, 460990), (545, 368792), (872, 230495), (1090, 184396), (2180, 92198), (4360, 46099)]