551444980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{85363}}^1$

素因数の和:85408

約数の個数: 48

約数和(自身を含む): 1290703680

約数和(自身を除く): 739258700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 85363, 170726, 341452, 426815, 853630, 1451171, 1621897, 1707260, 2902342, 3243794, 5804684, 6487588, 7255855, 8109485, 14511710, 16218970, 27572249, 29023420, 32437940, 55144498, 110288996, 137861245, 275722490, 551444980]

約数ペア:

[(1, 551444980), (2, 275722490), (4, 137861245), (5, 110288996), (10, 55144498), (17, 32437940), (19, 29023420), (20, 27572249), (34, 16218970), (38, 14511710), (68, 8109485), (76, 7255855), (85, 6487588), (95, 5804684), (170, 3243794), (190, 2902342), (323, 1707260), (340, 1621897), (380, 1451171), (646, 853630), (1292, 426815), (1615, 341452), (3230, 170726), (6460, 85363)]