1259790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{857}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 3521232

約数和(自身を除く): 2261442

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 857, 1470, 1714, 2571, 4285, 5142, 5999, 8570, 11998, 12855, 17997, 25710, 29995, 35994, 41993, 59990, 83986, 89985, 125979, 179970, 209965, 251958, 419930, 629895, 1259790]

約数ペア:

[(1, 1259790), (2, 629895), (3, 419930), (5, 251958), (6, 209965), (7, 179970), (10, 125979), (14, 89985), (15, 83986), (21, 59990), (30, 41993), (35, 35994), (42, 29995), (49, 25710), (70, 17997), (98, 12855), (105, 11998), (147, 8570), (210, 5999), (245, 5142), (294, 4285), (490, 2571), (735, 1714), (857, 1470)]