238291280

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{6911}}^1$

素因数の和:7355

約数の個数: 40

約数和(自身を含む): 555393024

約数和(自身を除く): 317101744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4310, 6896, 6911, 8620, 13822, 17240, 27644, 34480, 34555, 55288, 69110, 110576, 138220, 276440, 552880, 2978641, 5957282, 11914564, 14893205, 23829128, 29786410, 47658256, 59572820, 119145640, 238291280]

約数ペア:

[(1, 238291280), (2, 119145640), (4, 59572820), (5, 47658256), (8, 29786410), (10, 23829128), (16, 14893205), (20, 11914564), (40, 5957282), (80, 2978641), (431, 552880), (862, 276440), (1724, 138220), (2155, 110576), (3448, 69110), (4310, 55288), (6896, 34555), (6911, 34480), (8620, 27644), (13822, 17240)]