798372280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281117}}^1$

素因数の和:281199

約数の個数: 32

約数和(自身を含む): 1821644640

約数和(自身を除く): 1023272360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 281117, 562234, 1124468, 1405585, 2248936, 2811170, 5622340, 11244680, 19959307, 39918614, 79837228, 99796535, 159674456, 199593070, 399186140, 798372280]

約数ペア:

[(1, 798372280), (2, 399186140), (4, 199593070), (5, 159674456), (8, 99796535), (10, 79837228), (20, 39918614), (40, 19959307), (71, 11244680), (142, 5622340), (284, 2811170), (355, 2248936), (568, 1405585), (710, 1124468), (1420, 562234), (2840, 281117)]