1380971570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{404977}}^1$

素因数の和:405026

約数の個数: 32

約数和(自身を含む): 2799207936

約数和(自身を除く): 1418236366

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 404977, 809954, 2024885, 4049770, 4454747, 8909494, 12554287, 22273735, 25108574, 44547470, 62771435, 125542870, 138097157, 276194314, 690485785, 1380971570]

約数ペア:

[(1, 1380971570), (2, 690485785), (5, 276194314), (10, 138097157), (11, 125542870), (22, 62771435), (31, 44547470), (55, 25108574), (62, 22273735), (110, 12554287), (155, 8909494), (310, 4454747), (341, 4049770), (682, 2024885), (1705, 809954), (3410, 404977)]