849846820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{21713}}^1$

素因数の和:21844

約数の個数: 48

約数和(自身を含む): 1896935040

約数和(自身を除く): 1047088220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7828, 9785, 19570, 21713, 39140, 43426, 86852, 108565, 217130, 412547, 434260, 825094, 1650188, 2062735, 2236439, 4125470, 4472878, 8250940, 8945756, 11182195, 22364390, 42492341, 44728780, 84984682, 169969364, 212461705, 424923410, 849846820]

約数ペア:

[(1, 849846820), (2, 424923410), (4, 212461705), (5, 169969364), (10, 84984682), (19, 44728780), (20, 42492341), (38, 22364390), (76, 11182195), (95, 8945756), (103, 8250940), (190, 4472878), (206, 4125470), (380, 2236439), (412, 2062735), (515, 1650188), (1030, 825094), (1957, 434260), (2060, 412547), (3914, 217130), (7828, 108565), (9785, 86852), (19570, 43426), (21713, 39140)]