70290740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 159594960

約数和(自身を除く): 89304220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 661, 818, 1322, 1636, 2045, 2644, 3305, 4090, 5317, 6610, 8180, 8593, 10634, 13220, 17186, 21268, 26585, 34372, 42965, 53170, 85930, 106340, 171860, 270349, 540698, 1081396, 1351745, 2703490, 3514537, 5406980, 7029074, 14058148, 17572685, 35145370, 70290740]

約数ペア:

[(1, 70290740), (2, 35145370), (4, 17572685), (5, 14058148), (10, 7029074), (13, 5406980), (20, 3514537), (26, 2703490), (52, 1351745), (65, 1081396), (130, 540698), (260, 270349), (409, 171860), (661, 106340), (818, 85930), (1322, 53170), (1636, 42965), (2045, 34372), (2644, 26585), (3305, 21268), (4090, 17186), (5317, 13220), (6610, 10634), (8180, 8593)]