898794620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{57689}}^1$

素因数の和:57758

約数の個数: 48

約数和(自身を含む): 2035303200

約数和(自身を除く): 1136508580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 57689, 115378, 230756, 288445, 576890, 1096091, 1153780, 2192182, 2365249, 4384364, 4730498, 5480455, 9460996, 10960910, 11826245, 21921820, 23652490, 44939731, 47304980, 89879462, 179758924, 224698655, 449397310, 898794620]

約数ペア:

[(1, 898794620), (2, 449397310), (4, 224698655), (5, 179758924), (10, 89879462), (19, 47304980), (20, 44939731), (38, 23652490), (41, 21921820), (76, 11826245), (82, 10960910), (95, 9460996), (164, 5480455), (190, 4730498), (205, 4384364), (380, 2365249), (410, 2192182), (779, 1153780), (820, 1096091), (1558, 576890), (3116, 288445), (3895, 230756), (7790, 115378), (15580, 57689)]