1380491360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{454109}}^1$

素因数の和:454143

約数の個数: 48

約数和(自身を含む): 3433071600

約数和(自身を除く): 2052580240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 454109, 908218, 1816436, 2270545, 3632872, 4541090, 7265744, 8628071, 9082180, 14531488, 17256142, 18164360, 34512284, 36328720, 43140355, 69024568, 72657440, 86280710, 138049136, 172561420, 276098272, 345122840, 690245680, 1380491360]

約数ペア:

[(1, 1380491360), (2, 690245680), (4, 345122840), (5, 276098272), (8, 172561420), (10, 138049136), (16, 86280710), (19, 72657440), (20, 69024568), (32, 43140355), (38, 36328720), (40, 34512284), (76, 18164360), (80, 17256142), (95, 14531488), (152, 9082180), (160, 8628071), (190, 7265744), (304, 4541090), (380, 3632872), (608, 2270545), (760, 1816436), (1520, 908218), (3040, 454109)]