290461280

素因数分解:

$2^5\times 5^1\times {\mathrm{1815383}}^1$

素因数の和:1815398

約数の個数: 24

約数和(自身を含む): 686215152

約数和(自身を除く): 395753872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1815383, 3630766, 7261532, 9076915, 14523064, 18153830, 29046128, 36307660, 58092256, 72615320, 145230640, 290461280]

約数ペア:

[(1, 290461280), (2, 145230640), (4, 72615320), (5, 58092256), (8, 36307660), (10, 29046128), (16, 18153830), (20, 14523064), (32, 9076915), (40, 7261532), (80, 3630766), (160, 1815383)]