808230550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{1291}}^1$

素因数の和:1981

約数の個数: 48

約数和(自身を含む): 1586059200

約数和(自身を除く): 777828650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 659, 950, 1291, 1318, 2582, 3295, 6455, 6590, 12521, 12910, 16475, 24529, 25042, 32275, 32950, 49058, 62605, 64550, 122645, 125210, 245290, 313025, 613225, 626050, 850769, 1226450, 1701538, 4253845, 8507690, 16164611, 21269225, 32329222, 42538450, 80823055, 161646110, 404115275, 808230550]

約数ペア:

[(1, 808230550), (2, 404115275), (5, 161646110), (10, 80823055), (19, 42538450), (25, 32329222), (38, 21269225), (50, 16164611), (95, 8507690), (190, 4253845), (475, 1701538), (659, 1226450), (950, 850769), (1291, 626050), (1318, 613225), (2582, 313025), (3295, 245290), (6455, 125210), (6590, 122645), (12521, 64550), (12910, 62605), (16475, 49058), (24529, 32950), (25042, 32275)]