285590620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{291419}}^1$

素因数の和:291442

約数の個数: 36

約数和(自身を含む): 697659480

約数和(自身を除く): 412068860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 291419, 582838, 1165676, 1457095, 2039933, 2914190, 4079866, 5828380, 8159732, 10199665, 14279531, 20399330, 28559062, 40798660, 57118124, 71397655, 142795310, 285590620]

約数ペア:

[(1, 285590620), (2, 142795310), (4, 71397655), (5, 57118124), (7, 40798660), (10, 28559062), (14, 20399330), (20, 14279531), (28, 10199665), (35, 8159732), (49, 5828380), (70, 4079866), (98, 2914190), (140, 2039933), (196, 1457095), (245, 1165676), (490, 582838), (980, 291419)]