2788890620

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{395027}}^1$

素因数の和:395389

約数の個数: 24

約数和(自身を含む): 5873276304

約数和(自身を除く): 3084385684

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 395027, 790054, 1580108, 1975135, 3950270, 7900540, 139444531, 278889062, 557778124, 697222655, 1394445310, 2788890620]

約数ペア:

[(1, 2788890620), (2, 1394445310), (4, 697222655), (5, 557778124), (10, 278889062), (20, 139444531), (353, 7900540), (706, 3950270), (1412, 1975135), (1765, 1580108), (3530, 790054), (7060, 395027)]