1528641940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{19603}}^1$

素因数の和:20176

約数の個数: 48

約数和(自身を含む): 3675514752

約数和(自身を除く): 2146872812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3899, 5570, 7798, 11140, 15596, 19495, 19603, 38990, 39206, 77980, 78412, 98015, 137221, 196030, 274442, 392060, 548884, 686105, 1372210, 2744420, 10918871, 21837742, 43675484, 54594355, 76432097, 109188710, 152864194, 218377420, 305728388, 382160485, 764320970, 1528641940]

約数ペア:

[(1, 1528641940), (2, 764320970), (4, 382160485), (5, 305728388), (7, 218377420), (10, 152864194), (14, 109188710), (20, 76432097), (28, 54594355), (35, 43675484), (70, 21837742), (140, 10918871), (557, 2744420), (1114, 1372210), (2228, 686105), (2785, 548884), (3899, 392060), (5570, 274442), (7798, 196030), (11140, 137221), (15596, 98015), (19495, 78412), (19603, 77980), (38990, 39206)]