2800220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7397

約数の個数: 24

約数和(自身を含む): 6190800

約数和(自身を除く): 3390580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 7369, 14738, 29476, 36845, 73690, 140011, 147380, 280022, 560044, 700055, 1400110, 2800220]

約数ペア:

[(1, 2800220), (2, 1400110), (4, 700055), (5, 560044), (10, 280022), (19, 147380), (20, 140011), (38, 73690), (76, 36845), (95, 29476), (190, 14738), (380, 7369)]