212320900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{769}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 505280160

約数和(自身を除く): 292959260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 251, 275, 502, 550, 769, 1004, 1100, 1255, 1538, 2510, 2761, 3076, 3845, 5020, 5522, 6275, 7690, 8459, 11044, 12550, 13805, 15380, 16918, 19225, 25100, 27610, 33836, 38450, 42295, 55220, 69025, 76900, 84590, 138050, 169180, 193019, 211475, 276100, 386038, 422950, 772076, 845900, 965095, 1930190, 2123209, 3860380, 4246418, 4825475, 8492836, 9650950, 10616045, 19301900, 21232090, 42464180, 53080225, 106160450, 212320900]

約数ペア:

[(1, 212320900), (2, 106160450), (4, 53080225), (5, 42464180), (10, 21232090), (11, 19301900), (20, 10616045), (22, 9650950), (25, 8492836), (44, 4825475), (50, 4246418), (55, 3860380), (100, 2123209), (110, 1930190), (220, 965095), (251, 845900), (275, 772076), (502, 422950), (550, 386038), (769, 276100), (1004, 211475), (1100, 193019), (1255, 169180), (1538, 138050), (2510, 84590), (2761, 76900), (3076, 69025), (3845, 55220), (5020, 42295), (5522, 38450), (6275, 33836), (7690, 27610), (8459, 25100), (11044, 19225), (12550, 16918), (13805, 15380)]