191790320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 460922880

約数和(自身を除く): 269132560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 215, 254, 344, 430, 439, 508, 635, 688, 860, 878, 1016, 1270, 1720, 1756, 2032, 2195, 2540, 3440, 3512, 4390, 5080, 5461, 7024, 8780, 10160, 10922, 17560, 18877, 21844, 27305, 35120, 37754, 43688, 54610, 55753, 75508, 87376, 94385, 109220, 111506, 151016, 188770, 218440, 223012, 278765, 302032, 377540, 436880, 446024, 557530, 755080, 892048, 1115060, 1510160, 2230120, 2397379, 4460240, 4794758, 9589516, 11986895, 19179032, 23973790, 38358064, 47947580, 95895160, 191790320]

約数ペア:

[(1, 191790320), (2, 95895160), (4, 47947580), (5, 38358064), (8, 23973790), (10, 19179032), (16, 11986895), (20, 9589516), (40, 4794758), (43, 4460240), (80, 2397379), (86, 2230120), (127, 1510160), (172, 1115060), (215, 892048), (254, 755080), (344, 557530), (430, 446024), (439, 436880), (508, 377540), (635, 302032), (688, 278765), (860, 223012), (878, 218440), (1016, 188770), (1270, 151016), (1720, 111506), (1756, 109220), (2032, 94385), (2195, 87376), (2540, 75508), (3440, 55753), (3512, 54610), (4390, 43688), (5080, 37754), (5461, 35120), (7024, 27305), (8780, 21844), (10160, 18877), (10922, 17560)]