900620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{919}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 2202480

約数和(自身を除く): 1301860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 919, 980, 1838, 3676, 4595, 6433, 9190, 12866, 18380, 25732, 32165, 45031, 64330, 90062, 128660, 180124, 225155, 450310, 900620]

約数ペア:

[(1, 900620), (2, 450310), (4, 225155), (5, 180124), (7, 128660), (10, 90062), (14, 64330), (20, 45031), (28, 32165), (35, 25732), (49, 18380), (70, 12866), (98, 9190), (140, 6433), (196, 4595), (245, 3676), (490, 1838), (919, 980)]