143985280

素因数分解:

$2^7\times 5^1\times {\mathrm{224977}}^1$

素因数の和:224996

約数の個数: 32

約数和(自身を含む): 344216340

約数和(自身を除く): 200231060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 224977, 449954, 899908, 1124885, 1799816, 2249770, 3599632, 4499540, 7199264, 8999080, 14398528, 17998160, 28797056, 35996320, 71992640, 143985280]

約数ペア:

[(1, 143985280), (2, 71992640), (4, 35996320), (5, 28797056), (8, 17998160), (10, 14398528), (16, 8999080), (20, 7199264), (32, 4499540), (40, 3599632), (64, 2249770), (80, 1799816), (128, 1124885), (160, 899908), (320, 449954), (640, 224977)]