780569090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1697}}^1\times {\mathrm{6571}}^1$

素因数の和:8282

約数の個数: 32

約数和(自身を含む): 1606932864

約数和(自身を除く): 826363774

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1697, 3394, 6571, 8485, 11879, 13142, 16970, 23758, 32855, 45997, 59395, 65710, 91994, 118790, 229985, 459970, 11150987, 22301974, 55754935, 78056909, 111509870, 156113818, 390284545, 780569090]

約数ペア:

[(1, 780569090), (2, 390284545), (5, 156113818), (7, 111509870), (10, 78056909), (14, 55754935), (35, 22301974), (70, 11150987), (1697, 459970), (3394, 229985), (6571, 118790), (8485, 91994), (11879, 65710), (13142, 59395), (16970, 45997), (23758, 32855)]