17665340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11471}}^1$

素因数の和:11498

約数の個数: 48

約数和(自身を含む): 46255104

約数和(自身を除く): 28589764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11471, 22942, 45884, 57355, 80297, 114710, 126181, 160594, 229420, 252362, 321188, 401485, 504724, 630905, 802970, 883267, 1261810, 1605940, 1766534, 2523620, 3533068, 4416335, 8832670, 17665340]

約数ペア:

[(1, 17665340), (2, 8832670), (4, 4416335), (5, 3533068), (7, 2523620), (10, 1766534), (11, 1605940), (14, 1261810), (20, 883267), (22, 802970), (28, 630905), (35, 504724), (44, 401485), (55, 321188), (70, 252362), (77, 229420), (110, 160594), (140, 126181), (154, 114710), (220, 80297), (308, 57355), (385, 45884), (770, 22942), (1540, 11471)]