128004100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 320604480

約数和(自身を除く): 192600380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 140, 175, 214, 350, 428, 535, 700, 749, 1070, 1498, 1709, 2140, 2675, 2996, 3418, 3745, 5350, 6836, 7490, 8545, 10700, 11963, 14980, 17090, 18725, 23926, 34180, 37450, 42725, 47852, 59815, 74900, 85450, 119630, 170900, 182863, 239260, 299075, 365726, 598150, 731452, 914315, 1196300, 1280041, 1828630, 2560082, 3657260, 4571575, 5120164, 6400205, 9143150, 12800410, 18286300, 25600820, 32001025, 64002050, 128004100]

約数ペア:

[(1, 128004100), (2, 64002050), (4, 32001025), (5, 25600820), (7, 18286300), (10, 12800410), (14, 9143150), (20, 6400205), (25, 5120164), (28, 4571575), (35, 3657260), (50, 2560082), (70, 1828630), (100, 1280041), (107, 1196300), (140, 914315), (175, 731452), (214, 598150), (350, 365726), (428, 299075), (535, 239260), (700, 182863), (749, 170900), (1070, 119630), (1498, 85450), (1709, 74900), (2140, 59815), (2675, 47852), (2996, 42725), (3418, 37450), (3745, 34180), (5350, 23926), (6836, 18725), (7490, 17090), (8545, 14980), (10700, 11963)]