172871320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149027}}^1$

素因数の和:149067

約数の個数: 32

約数和(自身を含む): 402375600

約数和(自身を除く): 229504280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 149027, 298054, 596108, 745135, 1192216, 1490270, 2980540, 4321783, 5961080, 8643566, 17287132, 21608915, 34574264, 43217830, 86435660, 172871320]

約数ペア:

[(1, 172871320), (2, 86435660), (4, 43217830), (5, 34574264), (8, 21608915), (10, 17287132), (20, 8643566), (29, 5961080), (40, 4321783), (58, 2980540), (116, 1490270), (145, 1192216), (232, 745135), (290, 596108), (580, 298054), (1160, 149027)]