139888925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 204361920

約数和(自身を除く): 64472995

約数列:

[1, 5, 11, 19, 25, 41, 55, 95, 205, 209, 275, 451, 475, 653, 779, 1025, 1045, 2255, 3265, 3895, 5225, 7183, 8569, 11275, 12407, 16325, 19475, 26773, 35915, 42845, 62035, 133865, 136477, 179575, 214225, 294503, 310175, 508687, 669325, 682385, 1472515, 2543435, 3411925, 5595557, 7362575, 12717175, 27977785, 139888925]

約数ペア:

[(1, 139888925), (5, 27977785), (11, 12717175), (19, 7362575), (25, 5595557), (41, 3411925), (55, 2543435), (95, 1472515), (205, 682385), (209, 669325), (275, 508687), (451, 310175), (475, 294503), (653, 214225), (779, 179575), (1025, 136477), (1045, 133865), (2255, 62035), (3265, 42845), (3895, 35915), (5225, 26773), (7183, 19475), (8569, 16325), (11275, 12407)]