2019915940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{25903}}^1$

素因数の和:26476

約数の個数: 48

約数和(自身を含む): 4856689152

約数和(自身を除く): 2836773212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3899, 5570, 7798, 11140, 15596, 19495, 25903, 38990, 51806, 77980, 103612, 129515, 181321, 259030, 362642, 518060, 725284, 906605, 1813210, 3626420, 14427971, 28855942, 57711884, 72139855, 100995797, 144279710, 201991594, 288559420, 403983188, 504978985, 1009957970, 2019915940]

約数ペア:

[(1, 2019915940), (2, 1009957970), (4, 504978985), (5, 403983188), (7, 288559420), (10, 201991594), (14, 144279710), (20, 100995797), (28, 72139855), (35, 57711884), (70, 28855942), (140, 14427971), (557, 3626420), (1114, 1813210), (2228, 906605), (2785, 725284), (3899, 518060), (5570, 362642), (7798, 259030), (11140, 181321), (15596, 129515), (19495, 103612), (25903, 77980), (38990, 51806)]