219029510

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{63857}}^1$

素因数の和:63885

約数の個数: 32

約数和(自身を含む): 459777600

約数和(自身を除く): 240748090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 63857, 127714, 319285, 446999, 638570, 893998, 2234995, 3128993, 4469990, 6257986, 15644965, 21902951, 31289930, 43805902, 109514755, 219029510]

約数ペア:

[(1, 219029510), (2, 109514755), (5, 43805902), (7, 31289930), (10, 21902951), (14, 15644965), (35, 6257986), (49, 4469990), (70, 3128993), (98, 2234995), (245, 893998), (343, 638570), (490, 446999), (686, 319285), (1715, 127714), (3430, 63857)]