13699420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 33566400

約数和(自身を除く): 19866980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1997, 3430, 3994, 6860, 7988, 9985, 13979, 19970, 27958, 39940, 55916, 69895, 97853, 139790, 195706, 279580, 391412, 489265, 684971, 978530, 1369942, 1957060, 2739884, 3424855, 6849710, 13699420]

約数ペア:

[(1, 13699420), (2, 6849710), (4, 3424855), (5, 2739884), (7, 1957060), (10, 1369942), (14, 978530), (20, 684971), (28, 489265), (35, 391412), (49, 279580), (70, 195706), (98, 139790), (140, 97853), (196, 69895), (245, 55916), (343, 39940), (490, 27958), (686, 19970), (980, 13979), (1372, 9985), (1715, 7988), (1997, 6860), (3430, 3994)]