1957060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2020

約数の個数: 36

約数和(自身を含む): 4783212

約数和(自身を除く): 2826152

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1997, 3994, 7988, 9985, 13979, 19970, 27958, 39940, 55916, 69895, 97853, 139790, 195706, 279580, 391412, 489265, 978530, 1957060]

約数ペア:

[(1, 1957060), (2, 978530), (4, 489265), (5, 391412), (7, 279580), (10, 195706), (14, 139790), (20, 97853), (28, 69895), (35, 55916), (49, 39940), (70, 27958), (98, 19970), (140, 13979), (196, 9985), (245, 7988), (490, 3994), (980, 1997)]