201392840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457711}}^1$

素因数の和:457733

約数の個数: 32

約数和(自身を含む): 494328960

約数和(自身を除く): 292936120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457711, 915422, 1830844, 2288555, 3661688, 4577110, 5034821, 9154220, 10069642, 18308440, 20139284, 25174105, 40278568, 50348210, 100696420, 201392840]

約数ペア:

[(1, 201392840), (2, 100696420), (4, 50348210), (5, 40278568), (8, 25174105), (10, 20139284), (11, 18308440), (20, 10069642), (22, 9154220), (40, 5034821), (44, 4577110), (55, 3661688), (88, 2288555), (110, 1830844), (220, 915422), (440, 457711)]