2000805940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{36739}}^1$

素因数の和:37144

約数の個数: 48

約数和(自身を含む): 4814409600

約数和(自身を除く): 2813603660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 13615, 27230, 36739, 54460, 73478, 146956, 183695, 257173, 367390, 514346, 734780, 1028692, 1285865, 2571730, 5143460, 14291471, 28582942, 57165884, 71457355, 100040297, 142914710, 200080594, 285829420, 400161188, 500201485, 1000402970, 2000805940]

約数ペア:

[(1, 2000805940), (2, 1000402970), (4, 500201485), (5, 400161188), (7, 285829420), (10, 200080594), (14, 142914710), (20, 100040297), (28, 71457355), (35, 57165884), (70, 28582942), (140, 14291471), (389, 5143460), (778, 2571730), (1556, 1285865), (1945, 1028692), (2723, 734780), (3890, 514346), (5446, 367390), (7780, 257173), (10892, 183695), (13615, 146956), (27230, 73478), (36739, 54460)]