317505280

素因数分解:

$2^8\times 5^1\times {\mathrm{248051}}^1$

素因数の和:248072

約数の個数: 36

約数和(自身を含む): 760527432

約数和(自身を除く): 443022152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 248051, 496102, 992204, 1240255, 1984408, 2480510, 3968816, 4961020, 7937632, 9922040, 15875264, 19844080, 31750528, 39688160, 63501056, 79376320, 158752640, 317505280]

約数ペア:

[(1, 317505280), (2, 158752640), (4, 79376320), (5, 63501056), (8, 39688160), (10, 31750528), (16, 19844080), (20, 15875264), (32, 9922040), (40, 7937632), (64, 4961020), (80, 3968816), (128, 2480510), (160, 1984408), (256, 1240255), (320, 992204), (640, 496102), (1280, 248051)]