12980930

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 24261120

約数和(自身を除く): 11280190

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 389, 470, 710, 778, 1945, 3337, 3890, 6674, 16685, 18283, 27619, 33370, 36566, 55238, 91415, 138095, 182830, 276190, 1298093, 2596186, 6490465, 12980930]

約数ペア:

[(1, 12980930), (2, 6490465), (5, 2596186), (10, 1298093), (47, 276190), (71, 182830), (94, 138095), (142, 91415), (235, 55238), (355, 36566), (389, 33370), (470, 27619), (710, 18283), (778, 16685), (1945, 6674), (3337, 3890)]