165419940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393857}}^1$

素因数の和:393876

約数の個数: 48

約数和(自身を含む): 529345152

約数和(自身を除く): 363925212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 393857, 787714, 1181571, 1575428, 1969285, 2363142, 2756999, 3938570, 4726284, 5513998, 5907855, 7877140, 8270997, 11027996, 11815710, 13784995, 16541994, 23631420, 27569990, 33083988, 41354985, 55139980, 82709970, 165419940]

約数ペア:

[(1, 165419940), (2, 82709970), (3, 55139980), (4, 41354985), (5, 33083988), (6, 27569990), (7, 23631420), (10, 16541994), (12, 13784995), (14, 11815710), (15, 11027996), (20, 8270997), (21, 7877140), (28, 5907855), (30, 5513998), (35, 4726284), (42, 3938570), (60, 2756999), (70, 2363142), (84, 1969285), (105, 1575428), (140, 1181571), (210, 787714), (420, 393857)]