181721090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2797}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 335424240

約数和(自身を除く): 153703150

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 2797, 5594, 6497, 12994, 13985, 27970, 32485, 64970, 204181, 248933, 408362, 497866, 1020905, 1244665, 2041810, 2489330, 18172109, 36344218, 90860545, 181721090]

約数ペア:

[(1, 181721090), (2, 90860545), (5, 36344218), (10, 18172109), (73, 2489330), (89, 2041810), (146, 1244665), (178, 1020905), (365, 497866), (445, 408362), (730, 248933), (890, 204181), (2797, 64970), (5594, 32485), (6497, 27970), (12994, 13985)]