209310040

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{3037}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 471376080

約数和(自身を除く): 262066040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 3037, 3446, 6074, 6892, 8615, 12148, 13784, 15185, 17230, 24296, 30370, 34460, 60740, 68920, 121480, 5232751, 10465502, 20931004, 26163755, 41862008, 52327510, 104655020, 209310040]

約数ペア:

[(1, 209310040), (2, 104655020), (4, 52327510), (5, 41862008), (8, 26163755), (10, 20931004), (20, 10465502), (40, 5232751), (1723, 121480), (3037, 68920), (3446, 60740), (6074, 34460), (6892, 30370), (8615, 24296), (12148, 17230), (13784, 15185)]