408889690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6379

約数の個数: 64

約数和(自身を含む): 872570880

約数和(自身を除く): 463681190

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2945, 3410, 5890, 6311, 6479, 12622, 12958, 31555, 32395, 63110, 64790, 69421, 119909, 138842, 195641, 239818, 347105, 391282, 599545, 694210, 978205, 1199090, 1318999, 1956410, 2152051, 2637998, 3717179, 4304102, 6594995, 7434358, 10760255, 13189990, 18585895, 21520510, 37171790, 40888969, 81777938, 204444845, 408889690]

約数ペア:

[(1, 408889690), (2, 204444845), (5, 81777938), (10, 40888969), (11, 37171790), (19, 21520510), (22, 18585895), (31, 13189990), (38, 10760255), (55, 7434358), (62, 6594995), (95, 4304102), (110, 3717179), (155, 2637998), (190, 2152051), (209, 1956410), (310, 1318999), (341, 1199090), (418, 978205), (589, 694210), (682, 599545), (1045, 391282), (1178, 347105), (1705, 239818), (2090, 195641), (2945, 138842), (3410, 119909), (5890, 69421), (6311, 64790), (6479, 63110), (12622, 32395), (12958, 31555)]