205142010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 501126912

約数和(自身を除く): 295984902

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 197, 206, 309, 337, 394, 515, 591, 618, 674, 985, 1011, 1030, 1182, 1545, 1685, 1970, 2022, 2955, 3090, 3370, 5055, 5910, 10110, 20291, 34711, 40582, 60873, 66389, 69422, 101455, 104133, 121746, 132778, 173555, 199167, 202910, 208266, 304365, 331945, 347110, 398334, 520665, 608730, 663890, 995835, 1041330, 1991670, 6838067, 13676134, 20514201, 34190335, 41028402, 68380670, 102571005, 205142010]

約数ペア:

[(1, 205142010), (2, 102571005), (3, 68380670), (5, 41028402), (6, 34190335), (10, 20514201), (15, 13676134), (30, 6838067), (103, 1991670), (197, 1041330), (206, 995835), (309, 663890), (337, 608730), (394, 520665), (515, 398334), (591, 347110), (618, 331945), (674, 304365), (985, 208266), (1011, 202910), (1030, 199167), (1182, 173555), (1545, 132778), (1685, 121746), (1970, 104133), (2022, 101455), (2955, 69422), (3090, 66389), (3370, 60873), (5055, 40582), (5910, 34711), (10110, 20291)]