286849820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3643}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 626884608

約数和(自身を除く): 340034788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3643, 3937, 7286, 7874, 14572, 15748, 18215, 19685, 36430, 39370, 72860, 78740, 112933, 225866, 451732, 462661, 564665, 925322, 1129330, 1850644, 2258660, 2313305, 4626610, 9253220, 14342491, 28684982, 57369964, 71712455, 143424910, 286849820]

約数ペア:

[(1, 286849820), (2, 143424910), (4, 71712455), (5, 57369964), (10, 28684982), (20, 14342491), (31, 9253220), (62, 4626610), (124, 2313305), (127, 2258660), (155, 1850644), (254, 1129330), (310, 925322), (508, 564665), (620, 462661), (635, 451732), (1270, 225866), (2540, 112933), (3643, 78740), (3937, 72860), (7286, 39370), (7874, 36430), (14572, 19685), (15748, 18215)]