28316750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 66134016

約数和(自身を除く): 37817266

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 550, 770, 875, 1375, 1471, 1750, 1925, 2750, 2942, 3850, 7355, 9625, 10297, 14710, 16181, 19250, 20594, 32362, 36775, 51485, 73550, 80905, 102970, 113267, 161810, 183875, 226534, 257425, 367750, 404525, 514850, 566335, 809050, 1132670, 1287125, 2022625, 2574250, 2831675, 4045250, 5663350, 14158375, 28316750]

約数ペア:

[(1, 28316750), (2, 14158375), (5, 5663350), (7, 4045250), (10, 2831675), (11, 2574250), (14, 2022625), (22, 1287125), (25, 1132670), (35, 809050), (50, 566335), (55, 514850), (70, 404525), (77, 367750), (110, 257425), (125, 226534), (154, 183875), (175, 161810), (250, 113267), (275, 102970), (350, 80905), (385, 73550), (550, 51485), (770, 36775), (875, 32362), (1375, 20594), (1471, 19250), (1750, 16181), (1925, 14710), (2750, 10297), (2942, 9625), (3850, 7355)]