123931280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140831}}^1$

素因数の和:140855

約数の個数: 40

約数和(自身を含む): 314337024

約数和(自身を除く): 190405744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 140831, 281662, 563324, 704155, 1126648, 1408310, 1549141, 2253296, 2816620, 3098282, 5633240, 6196564, 7745705, 11266480, 12393128, 15491410, 24786256, 30982820, 61965640, 123931280]

約数ペア:

[(1, 123931280), (2, 61965640), (4, 30982820), (5, 24786256), (8, 15491410), (10, 12393128), (11, 11266480), (16, 7745705), (20, 6196564), (22, 5633240), (40, 3098282), (44, 2816620), (55, 2253296), (80, 1549141), (88, 1408310), (110, 1126648), (176, 704155), (220, 563324), (440, 281662), (880, 140831)]