17678710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 37469520

約数和(自身を除く): 19790810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 331, 490, 545, 662, 763, 1090, 1526, 1655, 2317, 3310, 3815, 4634, 5341, 7630, 10682, 11585, 16219, 23170, 26705, 32438, 36079, 53410, 72158, 81095, 162190, 180395, 252553, 360790, 505106, 1262765, 1767871, 2525530, 3535742, 8839355, 17678710]

約数ペア:

[(1, 17678710), (2, 8839355), (5, 3535742), (7, 2525530), (10, 1767871), (14, 1262765), (35, 505106), (49, 360790), (70, 252553), (98, 180395), (109, 162190), (218, 81095), (245, 72158), (331, 53410), (490, 36079), (545, 32438), (662, 26705), (763, 23170), (1090, 16219), (1526, 11585), (1655, 10682), (2317, 7630), (3310, 5341), (3815, 4634)]