72219380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190051}}^1$

素因数の和:190079

約数の個数: 24

約数和(自身を含む): 159643680

約数和(自身を除く): 87424300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 190051, 380102, 760204, 950255, 1900510, 3610969, 3801020, 7221938, 14443876, 18054845, 36109690, 72219380]

約数ペア:

[(1, 72219380), (2, 36109690), (4, 18054845), (5, 14443876), (10, 7221938), (19, 3801020), (20, 3610969), (38, 1900510), (76, 950255), (95, 760204), (190, 380102), (380, 190051)]