788255980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{3739}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 1688924160

約数和(自身を除く): 900668180

約数列:

[1, 2, 4, 5, 10, 20, 83, 127, 166, 254, 332, 415, 508, 635, 830, 1270, 1660, 2540, 3739, 7478, 10541, 14956, 18695, 21082, 37390, 42164, 52705, 74780, 105410, 210820, 310337, 474853, 620674, 949706, 1241348, 1551685, 1899412, 2374265, 3103370, 4748530, 6206740, 9497060, 39412799, 78825598, 157651196, 197063995, 394127990, 788255980]

約数ペア:

[(1, 788255980), (2, 394127990), (4, 197063995), (5, 157651196), (10, 78825598), (20, 39412799), (83, 9497060), (127, 6206740), (166, 4748530), (254, 3103370), (332, 2374265), (415, 1899412), (508, 1551685), (635, 1241348), (830, 949706), (1270, 620674), (1660, 474853), (2540, 310337), (3739, 210820), (7478, 105410), (10541, 74780), (14956, 52705), (18695, 42164), (21082, 37390)]