137978900

素因数分解:

$2^2\times 5^2\times {\mathrm{653}}^1\times {\mathrm{2113}}^1$

素因数の和:2780

約数の個数: 36

約数和(自身を含む): 300014652

約数和(自身を除く): 162035752

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 653, 1306, 2113, 2612, 3265, 4226, 6530, 8452, 10565, 13060, 16325, 21130, 32650, 42260, 52825, 65300, 105650, 211300, 1379789, 2759578, 5519156, 6898945, 13797890, 27595780, 34494725, 68989450, 137978900]

約数ペア:

[(1, 137978900), (2, 68989450), (4, 34494725), (5, 27595780), (10, 13797890), (20, 6898945), (25, 5519156), (50, 2759578), (100, 1379789), (653, 211300), (1306, 105650), (2113, 65300), (2612, 52825), (3265, 42260), (4226, 32650), (6530, 21130), (8452, 16325), (10565, 13060)]