1900569890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1\times {\mathrm{2371}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 3473746560

約数和(自身を除く): 1573176670

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1129, 2258, 2371, 4742, 5645, 11290, 11855, 23710, 80159, 160318, 168341, 336682, 400795, 801590, 841705, 1683410, 2676859, 5353718, 13384295, 26768590, 190056989, 380113978, 950284945, 1900569890]

約数ペア:

[(1, 1900569890), (2, 950284945), (5, 380113978), (10, 190056989), (71, 26768590), (142, 13384295), (355, 5353718), (710, 2676859), (1129, 1683410), (2258, 841705), (2371, 801590), (4742, 400795), (5645, 336682), (11290, 168341), (11855, 160318), (23710, 80159)]