809781860

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1\times {\mathrm{827}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 1718490816

約数和(自身を除く): 908708956

約数列:

[1, 2, 4, 5, 10, 20, 173, 283, 346, 566, 692, 827, 865, 1132, 1415, 1654, 1730, 2830, 3308, 3460, 4135, 5660, 8270, 16540, 48959, 97918, 143071, 195836, 234041, 244795, 286142, 468082, 489590, 572284, 715355, 936164, 979180, 1170205, 1430710, 2340410, 2861420, 4680820, 40489093, 80978186, 161956372, 202445465, 404890930, 809781860]

約数ペア:

[(1, 809781860), (2, 404890930), (4, 202445465), (5, 161956372), (10, 80978186), (20, 40489093), (173, 4680820), (283, 2861420), (346, 2340410), (566, 1430710), (692, 1170205), (827, 979180), (865, 936164), (1132, 715355), (1415, 572284), (1654, 489590), (1730, 468082), (2830, 286142), (3308, 244795), (3460, 234041), (4135, 195836), (5660, 143071), (8270, 97918), (16540, 48959)]