27977000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 66353040

約数和(自身を除く): 38376040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 277, 404, 500, 505, 554, 808, 1000, 1010, 1108, 1385, 2020, 2216, 2525, 2770, 4040, 5050, 5540, 6925, 10100, 11080, 12625, 13850, 20200, 25250, 27700, 27977, 34625, 50500, 55400, 55954, 69250, 101000, 111908, 138500, 139885, 223816, 277000, 279770, 559540, 699425, 1119080, 1398850, 2797700, 3497125, 5595400, 6994250, 13988500, 27977000]

約数ペア:

[(1, 27977000), (2, 13988500), (4, 6994250), (5, 5595400), (8, 3497125), (10, 2797700), (20, 1398850), (25, 1119080), (40, 699425), (50, 559540), (100, 279770), (101, 277000), (125, 223816), (200, 139885), (202, 138500), (250, 111908), (277, 101000), (404, 69250), (500, 55954), (505, 55400), (554, 50500), (808, 34625), (1000, 27977), (1010, 27700), (1108, 25250), (1385, 20200), (2020, 13850), (2216, 12625), (2525, 11080), (2770, 10100), (4040, 6925), (5050, 5540)]