208514500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{4129}}^1$

素因数の和:4249

約数の個数: 48

約数和(自身を含む): 460015920

約数和(自身を除く): 251501420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 2020, 2525, 4129, 5050, 8258, 10100, 12625, 16516, 20645, 25250, 41290, 50500, 82580, 103225, 206450, 412900, 417029, 516125, 834058, 1032250, 1668116, 2064500, 2085145, 4170290, 8340580, 10425725, 20851450, 41702900, 52128625, 104257250, 208514500]

約数ペア:

[(1, 208514500), (2, 104257250), (4, 52128625), (5, 41702900), (10, 20851450), (20, 10425725), (25, 8340580), (50, 4170290), (100, 2085145), (101, 2064500), (125, 1668116), (202, 1032250), (250, 834058), (404, 516125), (500, 417029), (505, 412900), (1010, 206450), (2020, 103225), (2525, 82580), (4129, 50500), (5050, 41290), (8258, 25250), (10100, 20645), (12625, 16516)]