1663060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1697}}^1$

素因数の和:1720

約数の個数: 36

約数和(自身を含む): 4065012

約数和(自身を除く): 2401952

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1697, 3394, 6788, 8485, 11879, 16970, 23758, 33940, 47516, 59395, 83153, 118790, 166306, 237580, 332612, 415765, 831530, 1663060]

約数ペア:

[(1, 1663060), (2, 831530), (4, 415765), (5, 332612), (7, 237580), (10, 166306), (14, 118790), (20, 83153), (28, 59395), (35, 47516), (49, 33940), (70, 23758), (98, 16970), (140, 11879), (196, 8485), (245, 6788), (490, 3394), (980, 1697)]