810874540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{827423}}^1$

素因数の和:827446

約数の個数: 36

約数和(自身を含む): 1980853056

約数和(自身を除く): 1169978516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 827423, 1654846, 3309692, 4137115, 5791961, 8274230, 11583922, 16548460, 23167844, 28959805, 40543727, 57919610, 81087454, 115839220, 162174908, 202718635, 405437270, 810874540]

約数ペア:

[(1, 810874540), (2, 405437270), (4, 202718635), (5, 162174908), (7, 115839220), (10, 81087454), (14, 57919610), (20, 40543727), (28, 28959805), (35, 23167844), (49, 16548460), (70, 11583922), (98, 8274230), (140, 5791961), (196, 4137115), (245, 3309692), (490, 1654846), (980, 827423)]