71402980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5501}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 166380480

約数和(自身を除く): 94977500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 5501, 6490, 11002, 12980, 22004, 27505, 55010, 60511, 110020, 121022, 242044, 302555, 324559, 605110, 649118, 1210220, 1298236, 1622795, 3245590, 3570149, 6491180, 7140298, 14280596, 17850745, 35701490, 71402980]

約数ペア:

[(1, 71402980), (2, 35701490), (4, 17850745), (5, 14280596), (10, 7140298), (11, 6491180), (20, 3570149), (22, 3245590), (44, 1622795), (55, 1298236), (59, 1210220), (110, 649118), (118, 605110), (220, 324559), (236, 302555), (295, 242044), (590, 121022), (649, 110020), (1180, 60511), (1298, 55010), (2596, 27505), (3245, 22004), (5501, 12980), (6490, 11002)]