201494920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457943}}^1$

素因数の和:457965

約数の個数: 32

約数和(自身を含む): 494579520

約数和(自身を除く): 293084600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457943, 915886, 1831772, 2289715, 3663544, 4579430, 5037373, 9158860, 10074746, 18317720, 20149492, 25186865, 40298984, 50373730, 100747460, 201494920]

約数ペア:

[(1, 201494920), (2, 100747460), (4, 50373730), (5, 40298984), (8, 25186865), (10, 20149492), (11, 18317720), (20, 10074746), (22, 9158860), (40, 5037373), (44, 4579430), (55, 3663544), (88, 2289715), (110, 1831772), (220, 915886), (440, 457943)]