17910970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3323}}^1$

素因数の和:3355

約数の個数: 48

約数和(自身を含む): 40925088

約数和(自身を除く): 23014118

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3323, 5390, 6646, 16615, 23261, 33230, 36553, 46522, 73106, 116305, 162827, 182765, 232610, 255871, 325654, 365530, 511742, 814135, 1279355, 1628270, 1791097, 2558710, 3582194, 8955485, 17910970]

約数ペア:

[(1, 17910970), (2, 8955485), (5, 3582194), (7, 2558710), (10, 1791097), (11, 1628270), (14, 1279355), (22, 814135), (35, 511742), (49, 365530), (55, 325654), (70, 255871), (77, 232610), (98, 182765), (110, 162827), (154, 116305), (245, 73106), (385, 46522), (490, 36553), (539, 33230), (770, 23261), (1078, 16615), (2695, 6646), (3323, 5390)]