139397680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 343415520

約数和(自身を除く): 204017840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 293, 304, 313, 380, 586, 626, 760, 1172, 1252, 1465, 1520, 1565, 2344, 2504, 2930, 3130, 4688, 5008, 5567, 5860, 5947, 6260, 11134, 11720, 11894, 12520, 22268, 23440, 23788, 25040, 27835, 29735, 44536, 47576, 55670, 59470, 89072, 91709, 95152, 111340, 118940, 183418, 222680, 237880, 366836, 445360, 458545, 475760, 733672, 917090, 1467344, 1742471, 1834180, 3484942, 3668360, 6969884, 7336720, 8712355, 13939768, 17424710, 27879536, 34849420, 69698840, 139397680]

約数ペア:

[(1, 139397680), (2, 69698840), (4, 34849420), (5, 27879536), (8, 17424710), (10, 13939768), (16, 8712355), (19, 7336720), (20, 6969884), (38, 3668360), (40, 3484942), (76, 1834180), (80, 1742471), (95, 1467344), (152, 917090), (190, 733672), (293, 475760), (304, 458545), (313, 445360), (380, 366836), (586, 237880), (626, 222680), (760, 183418), (1172, 118940), (1252, 111340), (1465, 95152), (1520, 91709), (1565, 89072), (2344, 59470), (2504, 55670), (2930, 47576), (3130, 44536), (4688, 29735), (5008, 27835), (5567, 25040), (5860, 23788), (5947, 23440), (6260, 22268), (11134, 12520), (11720, 11894)]