201331240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457571}}^1$

素因数の和:457593

約数の個数: 32

約数和(自身を含む): 494177760

約数和(自身を除く): 292846520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457571, 915142, 1830284, 2287855, 3660568, 4575710, 5033281, 9151420, 10066562, 18302840, 20133124, 25166405, 40266248, 50332810, 100665620, 201331240]

約数ペア:

[(1, 201331240), (2, 100665620), (4, 50332810), (5, 40266248), (8, 25166405), (10, 20133124), (11, 18302840), (20, 10066562), (22, 9151420), (40, 5033281), (44, 4575710), (55, 3660568), (88, 2287855), (110, 1830284), (220, 915142), (440, 457571)]