123537980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2861}}^1$

素因数の和:3014

約数の個数: 48

約数和(自身を含む): 276950016

約数和(自身を除く): 153412036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 2159, 2540, 2861, 4318, 5722, 8636, 10795, 11444, 14305, 21590, 28610, 43180, 48637, 57220, 97274, 194548, 243185, 363347, 486370, 726694, 972740, 1453388, 1816735, 3633470, 6176899, 7266940, 12353798, 24707596, 30884495, 61768990, 123537980]

約数ペア:

[(1, 123537980), (2, 61768990), (4, 30884495), (5, 24707596), (10, 12353798), (17, 7266940), (20, 6176899), (34, 3633470), (68, 1816735), (85, 1453388), (127, 972740), (170, 726694), (254, 486370), (340, 363347), (508, 243185), (635, 194548), (1270, 97274), (2159, 57220), (2540, 48637), (2861, 43180), (4318, 28610), (5722, 21590), (8636, 14305), (10795, 11444)]