30126940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 66124800

約数和(自身を除く): 35997860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 409, 508, 580, 635, 818, 1270, 1636, 2045, 2540, 3683, 4090, 7366, 8180, 11861, 14732, 18415, 23722, 36830, 47444, 51943, 59305, 73660, 103886, 118610, 207772, 237220, 259715, 519430, 1038860, 1506347, 3012694, 6025388, 7531735, 15063470, 30126940]

約数ペア:

[(1, 30126940), (2, 15063470), (4, 7531735), (5, 6025388), (10, 3012694), (20, 1506347), (29, 1038860), (58, 519430), (116, 259715), (127, 237220), (145, 207772), (254, 118610), (290, 103886), (409, 73660), (508, 59305), (580, 51943), (635, 47444), (818, 36830), (1270, 23722), (1636, 18415), (2045, 14732), (2540, 11861), (3683, 8180), (4090, 7366)]