648100970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1949}}^1\times {\mathrm{3023}}^1$

素因数の和:4990

約数の個数: 32

約数和(自身を含む): 1273708800

約数和(自身を除く): 625607830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1949, 3023, 3898, 6046, 9745, 15115, 19490, 21439, 30230, 33253, 42878, 66506, 107195, 166265, 214390, 332530, 5891827, 11783654, 29459135, 58918270, 64810097, 129620194, 324050485, 648100970]

約数ペア:

[(1, 648100970), (2, 324050485), (5, 129620194), (10, 64810097), (11, 58918270), (22, 29459135), (55, 11783654), (110, 5891827), (1949, 332530), (3023, 214390), (3898, 166265), (6046, 107195), (9745, 66506), (15115, 42878), (19490, 33253), (21439, 30230)]