172503280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113489}}^1$

素因数の和:113521

約数の個数: 40

約数和(自身を含む): 422182800

約数和(自身を除く): 249679520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 113489, 226978, 453956, 567445, 907912, 1134890, 1815824, 2156291, 2269780, 4312582, 4539560, 8625164, 9079120, 10781455, 17250328, 21562910, 34500656, 43125820, 86251640, 172503280]

約数ペア:

[(1, 172503280), (2, 86251640), (4, 43125820), (5, 34500656), (8, 21562910), (10, 17250328), (16, 10781455), (19, 9079120), (20, 8625164), (38, 4539560), (40, 4312582), (76, 2269780), (80, 2156291), (95, 1815824), (152, 1134890), (190, 907912), (304, 567445), (380, 453956), (760, 226978), (1520, 113489)]