280807780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{24083}}^1$

素因数の和:24156

約数の個数: 48

約数和(自身を含む): 655470144

約数和(自身を除く): 374662364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 24083, 48166, 96332, 120415, 240830, 264913, 481660, 529826, 1059652, 1276399, 1324565, 2552798, 2649130, 5105596, 5298260, 6381995, 12763990, 14040389, 25527980, 28080778, 56161556, 70201945, 140403890, 280807780]

約数ペア:

[(1, 280807780), (2, 140403890), (4, 70201945), (5, 56161556), (10, 28080778), (11, 25527980), (20, 14040389), (22, 12763990), (44, 6381995), (53, 5298260), (55, 5105596), (106, 2649130), (110, 2552798), (212, 1324565), (220, 1276399), (265, 1059652), (530, 529826), (583, 481660), (1060, 264913), (1166, 240830), (2332, 120415), (2915, 96332), (5830, 48166), (11660, 24083)]