996801680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1780003}}^1$

素因数の和:1780023

約数の個数: 40

約数和(自身を含む): 2648645952

約数和(自身を除く): 1651844272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1780003, 3560006, 7120012, 8900015, 12460021, 14240024, 17800030, 24920042, 28480048, 35600060, 49840084, 62300105, 71200120, 99680168, 124600210, 142400240, 199360336, 249200420, 498400840, 996801680]

約数ペア:

[(1, 996801680), (2, 498400840), (4, 249200420), (5, 199360336), (7, 142400240), (8, 124600210), (10, 99680168), (14, 71200120), (16, 62300105), (20, 49840084), (28, 35600060), (35, 28480048), (40, 24920042), (56, 17800030), (70, 14240024), (80, 12460021), (112, 8900015), (140, 7120012), (280, 3560006), (560, 1780003)]