203215880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1303}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 523895040

約数和(自身を除く): 320679160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 557, 1114, 1303, 2228, 2606, 2785, 3899, 4456, 5212, 5570, 6515, 7798, 9121, 10424, 11140, 13030, 15596, 18242, 19495, 22280, 26060, 31192, 36484, 38990, 45605, 52120, 72968, 77980, 91210, 155960, 182420, 364840, 725771, 1451542, 2903084, 3628855, 5080397, 5806168, 7257710, 10160794, 14515420, 20321588, 25401985, 29030840, 40643176, 50803970, 101607940, 203215880]

約数ペア:

[(1, 203215880), (2, 101607940), (4, 50803970), (5, 40643176), (7, 29030840), (8, 25401985), (10, 20321588), (14, 14515420), (20, 10160794), (28, 7257710), (35, 5806168), (40, 5080397), (56, 3628855), (70, 2903084), (140, 1451542), (280, 725771), (557, 364840), (1114, 182420), (1303, 155960), (2228, 91210), (2606, 77980), (2785, 72968), (3899, 52120), (4456, 45605), (5212, 38990), (5570, 36484), (6515, 31192), (7798, 26060), (9121, 22280), (10424, 19495), (11140, 18242), (13030, 15596)]