77312980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 167924736

約数和(自身を除く): 90611756

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 547, 740, 764, 955, 1094, 1910, 2188, 2735, 3820, 5470, 7067, 10940, 14134, 20239, 28268, 35335, 40478, 70670, 80956, 101195, 104477, 141340, 202390, 208954, 404780, 417908, 522385, 1044770, 2089540, 3865649, 7731298, 15462596, 19328245, 38656490, 77312980]

約数ペア:

[(1, 77312980), (2, 38656490), (4, 19328245), (5, 15462596), (10, 7731298), (20, 3865649), (37, 2089540), (74, 1044770), (148, 522385), (185, 417908), (191, 404780), (370, 208954), (382, 202390), (547, 141340), (740, 104477), (764, 101195), (955, 80956), (1094, 70670), (1910, 40478), (2188, 35335), (2735, 28268), (3820, 20239), (5470, 14134), (7067, 10940)]