191091320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2719}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 302425480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 2719, 3514, 5020, 5438, 7028, 8785, 10040, 10876, 13595, 14056, 17570, 19033, 21752, 27190, 35140, 38066, 54380, 70280, 76132, 95165, 108760, 152264, 190330, 380660, 682469, 761320, 1364938, 2729876, 3412345, 4777283, 5459752, 6824690, 9554566, 13649380, 19109132, 23886415, 27298760, 38218264, 47772830, 95545660, 191091320]

約数ペア:

[(1, 191091320), (2, 95545660), (4, 47772830), (5, 38218264), (7, 27298760), (8, 23886415), (10, 19109132), (14, 13649380), (20, 9554566), (28, 6824690), (35, 5459752), (40, 4777283), (56, 3412345), (70, 2729876), (140, 1364938), (251, 761320), (280, 682469), (502, 380660), (1004, 190330), (1255, 152264), (1757, 108760), (2008, 95165), (2510, 76132), (2719, 70280), (3514, 54380), (5020, 38066), (5438, 35140), (7028, 27190), (8785, 21752), (10040, 19033), (10876, 17570), (13595, 14056)]